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70 Best High School Science Fair Projects in Every Subject

Fire up the Bunsen burners!

Collage of high school science fair projects, including 3D printed cars and a DIY vacuum chamber

The cool thing about high school science fair projects is that kids are old enough to tackle some pretty amazing concepts. Some science experiments for high school are just advanced versions of simpler projects they did when they were younger, with detailed calculations or fewer instructions. Other projects involve fire, chemicals, or other materials they couldn’t use before.

Note: Some of these projects were written as classroom labs but can be adapted to become science fair projects too. Just consider variables that you can change up, like materials or other parameters. That changes a classroom activity into a true scientific method experiment!

To make it easier to find the right high school science fair project idea for you, we’ve rated all the projects by difficulty and the materials needed:

Difficulty:

  • Easy: Low or no-prep experiments you can do pretty much anytime
  • Medium: These take a little more setup or a longer time to complete
  • Advanced: Experiments like these take a fairly big commitment of time or effort
  • Basic: Simple items you probably already have around the house
  • Medium: Items that you might not already have but are easy to get your hands on
  • Advanced: These require specialized or more expensive supplies to complete
  • Biology and Life Sciences High School Science Fair Projects

Chemistry High School Science Fair Projects

Physics high school science fair projects, engineering high school stem fair projects, biology and life science high school science fair projects.

Explore the living world with these biology science project ideas, learning more about plants, animals, the environment, and much more.

Extract DNA from an onion

Difficulty: Medium / Materials: Medium

You don’t need a lot of supplies to perform this experiment, but it’s impressive nonetheless. Turn this into a science fair project by trying it with other fruits and vegetables too.

Re-create Mendel’s pea plant experiment

Gregor Mendel’s pea plant experiments were some of the first to explore inherited traits and genetics. Try your own cross-pollination experiments with fast-growing plants like peas or beans.

Make plants move with light

By this age, kids know that many plants move toward sunlight, a process known as phototropism. So high school science fair projects on this topic need to introduce variables into the process, like covering seedling parts with different materials to see the effects.

Test the 5-second rule

We’d all like to know the answer to this one: Is it really safe to eat food you’ve dropped on the floor? Design and conduct an experiment to find out (although we think we might already know the answer).

Find out if color affects taste

Just how interlinked are all our senses? Does the sight of food affect how it tastes? Find out with a fun food science fair project like this one!

See the effects of antibiotics on bacteria

Test tubes containing various bacteria

Difficulty: Medium / Materials: Advanced

Bacteria can be divided into two groups: gram-positive and gram-negative. In this experiment, students first determine the two groups, then try the effects of various antibiotics on them. You can get a gram stain kit , bacillus cereus and rhodospirillum rubrum cultures, and antibiotic discs from Home Science Tools.

Learn more: Antibiotics Project at Home Science Tools

Witness the carbon cycle in action

Test tubes filled with plants and green and blue liquid

Experiment with the effects of light on the carbon cycle. Make this science fair project even more interesting by adding some small aquatic animals like snails or fish into the mix.

Learn more: Carbon Cycle at Science Lessons That Rock

Look for cell mitosis in an onion

Cell mitosis (division) is actually easy to see in action when you look at onion root tips under a microscope. Students will be amazed to see science theory become science reality right before their eyes. Adapt this lab into a high school science fair project by applying the process to other organisms too.

Test the effects of disinfectants

Petri dish divided in half with bacteria and paper disks on the surface

Grow bacteria in a petri dish along with paper disks soaked in various antiseptics and disinfectants. You’ll be able to see which ones effectively inhibit bacteria growth.

Learn more: Effectiveness of Antiseptics and Disinfectants at Amy Brown Science

Pit hydroponics against soil

Growing vegetables without soil (hydroponics) is a popular trend, allowing people to garden just about anywhere.

More Life Sciences and Biology Science Fair Projects for High School

Use these questions and ideas to design your own experiment:

  • Explore ways to prevent soil erosion.
  • What are the most accurate methods of predicting various weather patterns?
  • Try out various fertilization methods to find the best and safest way to increase crop yield.
  • What’s the best way to prevent mold growth on food for long-term storage?
  • Does exposure to smoke or other air pollutants affect plant growth?
  • Compare the chemical and/or bacterial content of various water sources (bottled, tap, spring, well water, etc.).
  • Explore ways to clean up after an oil spill on land or water.
  • Conduct a wildlife field survey in a given area and compare it to results from previous surveys.
  • Find a new use for plastic bottles or bags to keep them out of landfills.
  • Devise a way to desalinate seawater and make it safe to drink.

Bunsen burners, beakers and test tubes, and the possibility of (controlled) explosions? No wonder chemistry is such a popular topic for high school science fair projects!

Break apart covalent bonds

Tub of water with battery leads in it

Break the covalent bond of H 2 O into H and O with this simple experiment. You only need simple supplies for this one. Turn it into a science fair project by changing up the variables—does the temperature of the water matter? What happens if you try this with other liquids?

Learn more: Covalent Bonds at Teaching Without Chairs

Measure the calories in various foods

Are the calorie counts on your favorite snacks accurate? Build your own calorimeter and find out! This kit from Home Science Tools has all the supplies you’ll need.

Detect latent fingerprints

Fingerprint divided into two, one half yellow and one half black

Forensic science is engrossing and can lead to important career opportunities too. Explore the chemistry needed to detect latent (invisible) fingerprints, just like they do for crime scenes!

Learn more: Fingerprints Project at Hub Pages

Use Alka-Seltzer to explore reaction rate

Difficulty: Easy / Materials: Easy

Tweak this basic concept to create a variety of high school chemistry science fair projects. Change the temperature, surface area, pressure, and more to see how reaction rates change.

Determine whether sports drinks provide more electrolytes than OJ

Are those pricey sports drinks really worth it? Try this experiment to find out. You’ll need some special equipment for this one; buy a complete kit at Home Science Tools .

Turn flames into a rainbow

You’ll need to get your hands on a few different chemicals for this experiment, but the wow factor will make it worth the effort! Make it a science project by seeing if different materials, air temperature, or other factors change the results.

Discover the size of a mole

Supplies needed for mole experiment, included scale, salt, and chalk

The mole is a key concept in chemistry, so it’s important to ensure students really understand it. This experiment uses simple materials like salt and chalk to make an abstract concept more concrete. Make it a project by applying the same procedure to a variety of substances, or determining whether outside variables have an effect on the results.

Learn more: How Big Is a Mole? at Amy Brown Science

Cook up candy to learn mole and molecule calculations

Aluminum foil bowl filled with bubbling liquid over a bunsen burner

This edible experiment lets students make their own peppermint hard candy while they calculate mass, moles, molecules, and formula weights. Tweak the formulas to create different types of candy and make this into a sweet science fair project!

Learn more: Candy Chemistry at Dunigan Science on TpT

Make soap to understand saponification

Colorful soaps from saponification science experiments for high school

Take a closer look at an everyday item: soap! Use oils and other ingredients to make your own soap, learning about esters and saponification. Tinker with the formula to find one that fits a particular set of parameters.

Learn more: Saponification at Chemistry Solutions on TpT

Uncover the secrets of evaporation

Explore the factors that affect evaporation, then come up with ways to slow them down or speed them up for a simple science fair project.

Learn more: Evaporation at Science Projects

More Chemistry Science Fair Projects for High School

These questions and ideas can spark ideas for a unique experiment:

  • Compare the properties of sugar and artificial sweeteners.
  • Explore the impact of temperature, concentration, and seeding on crystal growth.
  • Test various antacids on the market to find the most effective product.
  • What is the optimum temperature for yeast production when baking bread from scratch?
  • Compare the vitamin C content of various fruits and vegetables.
  • How does temperature affect enzyme-catalyzed reactions?
  • Investigate the effects of pH on an acid-base chemical reaction.
  • Devise a new natural way to test pH levels (such as cabbage leaves).
  • What’s the best way to slow down metal oxidation (the form of rust)?
  • How do changes in ingredients and method affect the results of a baking recipe?

When you think of physics science projects for high school, the first thing that comes to mind is probably the classic build-a-bridge. But there are plenty of other ways for teens to get hands-on with physics concepts. Here are some to try.

Remove the air in a DIY vacuum chamber

DIY vacuum chamber made from a jar and large hypodermic needle

You can use a vacuum chamber to do lots of cool high school science fair projects, but a ready-made one can be expensive. Try this project to make your own with basic supplies.

Learn more: Vacuum Chamber at Instructables

Put together a mini Tesla coil

Looking for a simple but showy high school science fair project? Build your own mini Tesla coil and wow the crowd!

Boil water in a paper cup

Logic tells us we shouldn’t set a paper cup over a heat source, right? Yet it’s actually possible to boil water in a paper cup without burning the cup up! Learn about heat transfer and thermal conductivity with this experiment. Go deeper by trying other liquids like honey to see what happens.

Build a better light bulb

Emulate Edison and build your own simple light bulb. You can turn this into a science fair project by experimenting with different types of materials for filaments.

Measure the speed of light—with your microwave

Grab an egg and head to your microwave for this surprisingly simple experiment. By measuring the distance between cooked portions of egg whites, you’ll be able to calculate the wavelength of the microwaves in your oven and, in turn, the speed of light.

Generate a Lichtenberg figure

Lichtenberg figure generated on a sheet of Plexiglass

See electricity in action when you generate and capture a Lichtenberg figure with polyethylene sheets, wood, or even acrylic and toner. Change the electrical intensity and materials to see what types of patterns you can create.

Learn more: Lichtenberg Figure at Science Notes

Explore the power of friction with sticky note pads

Difficulty: Medium / Materials: Basic

Ever try to pull a piece of paper out of the middle of a big stack? It’s harder than you think it would be! That’s due to the power of friction. In this experiment, students interleave the sheets of two sticky note pads, then measure how much weight it takes to pull them apart. The results are astonishing!

Build a cloud chamber to prove background radiation

Ready to dip your toe into particle physics? Learn about background radiation and build a cloud chamber to prove the existence of muons.

Measure the effect of temperature on resistance

A beaker with a tungsten rod, connected to a multimeter

This is a popular and classic science fair experiment in physics. You’ll need a few specialized supplies, but they’re pretty easy to find.

Learn more: Temperature and Resistance at Science Project

Launch the best bottle rocket

A basic bottle rocket is pretty easy to build, but it opens the door to lots of different science fair projects. Design a powerful launcher, alter the rocket so it flies higher or farther, or use only recycled materials for your flyer.

More Physics Science Fair Projects for High School

Design your own experiment in response to these questions and prompts.

  • Determine the most efficient solar panel design and placement.
  • What’s the best way to eliminate friction between two objects?
  • Explore the best methods of insulating an object against heat loss.
  • What effect does temperature have on batteries when stored for long periods of time?
  • Test the effects of magnets or electromagnetic fields on plants or other living organisms.
  • Determine the best angle and speed of a bat swing in baseball.
  • What’s the best way to soundproof an area or reduce noise produced by an item?
  • Explore methods for reducing air resistance in automotive design.
  • Use the concepts of torque and rotation to perfect a golf swing.
  • Compare the strength and durability of various building materials.

Many schools are changing up their science fairs to STEM fairs, to encourage students with an interest in engineering to participate. Many great engineering science fair projects start with a STEM challenge, like those shown here. Use these ideas to spark a full-blown project to build something new and amazing!

Solve a current environmental issue

A science fair project can also be an entry into the Slingshot Challenge . Students produce a 1-minute video with a solution to a current environmental problem (think: uniting creative waste reducers on social media or rehabilitating forests affected by fire) for the chance to receive up to $10,000 in funding.

Construct a model maglev train

Maglev model train built from magnets and wood craft sticks on green felt

Maglev trains may just be the future of mass transportation. Build a model at home, and explore ways to implement the technology on a wider basis.

Learn more: Maglev Model Train at Supermagnete

Design a more efficient wind turbine

Wind energy is renewable, making it a good solution for the fossil fuel problem. For a smart science fair project, experiment to find the most efficient wind turbine design for a given situation.

Re-create Da Vinci’s flying machine

Da Vinci flying machine built from a paper cup and other basic supplies

Da Vinci sketched several models of “flying machines” and hoped to soar through the sky. Do some research into his models and try to reconstruct one of your own.

Learn more: Da Vinci Flying Machine at Student Savvy

Design a heart-rate monitor

Smartwatches are ubiquitous these days, so pretty much anyone can wear a heart-rate monitor on their wrist. But do they work any better than one you can build yourself? Get the specialized items you need like the Arduino LilyPad Board on Amazon.

Race 3D printed cars

Simple 3-D printed race cars with vegetables strapped to them (Science Experiments for High School)

3D printers are a marvel of the modern era, and budding engineers should definitely learn to use them. Use Tinkercad or a similar program to design and print race cars that can support a defined weight, then see which can roll the fastest! (No 3D printer in your STEM lab? Check the local library. Many of them have 3D printers available for patrons to use.)

Learn more: 3D Printed Cars at Instructables

Grow veggies in a hydroponic garden

Vertical hydroponic garden made from PVC pipes and aluminum downspouts

Hydroponics is the gardening wave of the future, making it easy to grow plants anywhere with minimal soil required. For a science fair STEM engineering challenge, design and construct your own hydroponic garden capable of growing vegetables to feed a family. This model is just one possible option.

Learn more: Hydroponics at Instructables

Grab items with a mechanical claw

KiwiCo hydraulic claw kit (Science Experiments for High School)

Delve into robotics with this engineering project. This kit includes all the materials you need, with complete video instructions. Once you’ve built the basic structure, tinker around with the design to improve its strength, accuracy, or other traits.

Learn more: Hydraulic Claw at KiwiCo

Construct a crystal radio

Homemade crystal radio set (Science Experiments for High School)

Return to the good old days and build a radio from scratch. This makes a cool science fair project if you experiment with different types of materials for the antenna. It takes some specialized equipment, but fortunately, Home Science Tools has an all-in-one kit for this project.

Learn more: Crystal Radio at Scitoys.com

Build a burglar alarm

Simple electronic burglar alarm with a cell phone

The challenge? Set up a system to alert you when someone has broken into your house or classroom. This can take any form students can dream up, and you can customize this STEM high school science experiment for multiple skill levels. Keep it simple with an alarm that makes a sound that can be heard from a specified distance. Or kick it up a notch and require the alarm system to send a notification to a cell phone, like the project at the link.

Learn more: Intruder Alarm at Instructables

Walk across a plastic bottle bridge

Students sitting on a large bridge made of plastic bottles

Balsa wood bridges are OK, but this plastic bottle bridge is really impressive! In fact, students can build all sorts of structures using the concept detailed at the link. It’s the ultimate upcycled STEM challenge!

Learn more: TrussFab Structures at Instructables

Looking for more science content? Check out the Best Science Websites for Middle and High School .

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Explore high school science fair projects in biology, chemistry, physics, engineering and more, from easy projects to advanced ideas.

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science projects for high school chemistry

Home » Tips for Teachers » 18 Must-Try Science Experiments for High School: From Basic Chemistry to Complex Reactions

18 Must-Try Science Experiments for High School: From Basic Chemistry to Complex Reactions

Incorporating science experiments for high school into the curriculum can transform mundane learning into an exciting experience of exploration and discovery. These hands-on activities allow students to understand the world around them through a scientific lens, providing the perfect opportunity for them to showcase their critical thinking and creative problem-solving skills. As an educator, embracing these experiments can make the classroom a dynamic place of inquiry.

18 Fun and Educational Science Experiments for High School

Learners of all ages are enamored with scientific experiments:

P5 have been looking at changes of state in science, and today investigated the water cycle! We did an experiment with water & food colouring in a plastic bag to see if we could see any changes, and noticed signs of evaporation and condensation inside the bag @SLC_RAiSE #Science pic.twitter.com/cla3opitiT — Burgh Primary School (@BurghPrimary) October 25, 2023

Looking to rev up your high school science lessons? Look no further than these 18 super cool and engaging experiments! Not only will they teach your students important scientific concepts, but they’ll also inspire a lifelong love of learning and curiosity about the natural world. From bubbling chemical reactions to mind-bending optical illusions, these projects are the perfect way to make science more fun, accessible, and exciting for your students. So grab your lab coat and get ready to dive into the world of science!

This article will equip high school teachers with an arsenal of exciting science experiments that will keep their students engaged and learning. Offering projects across a variety of disciplines, from physics to biology, this carefully curated list will be suitable for learners at any level. By incorporating these experiments into their lesson plans, educators will be providing their students with valuable hands-on experience that complements their textbook knowledge. With easy-to-follow instructions and materials that are easily accessible, teaching science has never been more enjoyable!

These 18 experiments will help you diversify your lessons and instill in your children a love of your subject.

Experiment 1: Investigating Osmosis with Potato Slices

The magic of osmosis and its significant effects on plant cells is a concept that can truly enchant high school students. Delving deep into the world of science, these students will be provided an opportunity to witness this phenomenon through an intriguing potato experiment. By submerging potato slices into distinct solutions, students will not only observe but also internalize the intricate process of water moving in and out of the cells. This hands-on approach aids in comprehending concepts like osmosis, diffusion, and molecular motion more effectively.

Investigating Osmosis with Potato Slices

Materials needed:

  • 3-4 fresh potatoes
  • A sharp knife for precise slicing
  • Salt and sugar for creating varied solutions
  • Clean water
  • A measuring cup for accurate measurements
  • Three distinct bowls for the separate solutions
  • Begin by slicing the potatoes into even, thin slices.
  • Arrange these slices into the three individual bowls.
  • Pour plain water into the first bowl, a saltwater solution into the second, and a sugar water mix into the third.
  • Let the potato slices immerse for about an hour.
  • Post the soaking period, extract the potato slices. Carefully observe and note down the alterations in their look and feel.

This accompanying video offers a visual guide on how this osmosis project is conducted using potatoes. By the end, students will have a vivid understanding of osmotic movement and its effects.

Experiment 2: Making a Homemade Volcano

High school students have a wonderful opportunity to step into the shoes of a scientist with this exciting and educational experiment. They can construct their very own volcanic eruption, right from the safety of their classroom or home! By synergizing baking soda with vinegar, students will get a firsthand view of a thrilling chemical reaction that mimics the grandeur of a volcanic eruption. Beyond the sheer fun and spectacle, this experiment serves as an enlightening experience, imparting deeper insights into the complex world of chemical reactions.

Making a Homemade Volcano

  • Baking soda, the primary reactant
  • Vinegar, which will react with the baking soda
  • Red food coloring for a realistic lava look
  • A dash of dish soap to add a bubbly texture
  • Play dough to mold the exterior of the volcano
  • A compact container to hold the ingredients
  • A funnel to ensure a controlled pour
  • Fashion a cone-shaped volcano with the play dough, securing it inside the small container.
  • Mix in 1/4 cup of baking soda, introduce a few droplets of red food coloring, and combine a slight quantity of dish soap.
  • Carefully pour the vinegar using the funnel and behold the magnificent eruption!

In this video, you will learn how to create your own homemade volcano using simple materials. You will see how the chemical reaction between baking soda and vinegar causes the eruption, and learn about the science behind it.

Experiment 3: Exploring Density with Oil and Water

High school students are about to embark on an enlightening journey into the mesmerizing realm of density and the profound ways it governs the interaction of various liquids. This hands-on experiment offers them a chance to observe the peculiar interaction between oil and water, two liquids that defy the very notion of unity. Witnessing their reluctance to mix will not only be visually appealing but will also serve as a vivid demonstration of the principles of density in action.

Exploring Density with Oil and Water

  • Vegetable oil, chosen for its distinctive density
  • Clear water as the contrasting liquid
  • Vibrant food coloring to enhance the visual appeal
  • A transparent tall glass to clearly view the results
  • A dropper for precision
  • Begin by filling the tall glass to its midpoint with water.
  • Introduce a few vibrant drops of food coloring for a splash of color.
  • Gradually introduce the vegetable oil into the glass, pouring steadily until the vessel is full.
  • Carefully study the resulting layers of oil and water, noting their unique behavior.

In this video, you will learn about the concept of density and how it affects the behavior of liquids. You will see how oil and water don’t mix and form layers, and learn about the science behind it.

Experiment 4: Building a Simple Electric Motor

High school students possess an innate curiosity, constantly seeking to understand the world around them. Dive deep into the captivating realm of electromagnetism with this enlightening project, revealing the intricate process that enables an electric motor to effortlessly transform electrical impulses into tangible mechanical movements. As students embark on this hands-on journey, they’ll gain an intimate appreciation for the underlying principles that power much of today’s technology.

Building a Simple Electric Motor

  • A standard battery, serving as the energy source
  • Conductive wire, crucial for channeling electricity
  • A common paperclip, which will showcase movement
  • A magnet, embodying the essence of electromagnetic forces
  • A rubber band, ensuring components stay in place
  • Sharp scissors, assisting in the preparation
  • Begin by coiling the wire around the paperclip, ensuring both ends remain accessible.
  • Connect one end of the wire meticulously to the battery’s positive terminal, while the other end interfaces with the paperclip.
  • Position the magnet adjacent to the paperclip, utilizing a rubber band to hold it firmly.
  • Observe in amazement as the humble paperclip springs to life!

Experience the mesmerizing magnificence of an electric motor as this video unravels the mystery behind its seamless conversion of electrical energy into mechanical power. Unlock the inner workings of this wonder machine in the science projects for high school.

Experiment 5: Testing Acids and Bases with Red Cabbage

This engaging educational activity presents high school students with a unique opportunity to explore the fascinating concept of pH and its impact on acid and base properties. The experiment involves the use of red cabbage as a natural pH indicator that allows students to readily detect color changes that are caused by differing substances introduced. Delving deeper into the science behind this project, the pigment molecule anthocyanin plays a crucial role, exhibiting color changes in direct response to pH variations.

Testing Acids and Bases with Red Cabbage

  • Red cabbage leaves
  • Blender or food processor
  • Strainer or cheesecloth
  • Test tubes or clear cups
  • Baking soda
  • Lemon juice
  • Blend or process the red cabbage leaves with water until a liquid is formed.
  • Strain the liquid into a container.
  • Divide the liquid into separate test tubes or cups.
  • Add a small amount of each substance to be tested (vinegar, baking soda, lemon juice, water, and ammonia) to a separate test tube or cup.
  • Observe the color changes and record the results.

In this video, we’ll be testing household substances with red cabbage juice to determine whether they are acidic or basic.

Experiment 6: Observing Microorganisms with a Microscope

For high school students eager to uncover the hidden mysteries of our universe, the microscopic world offers endless wonder. This microbiology project opens the door to an otherwise invisible realm teeming with life, from intricate bacteria structures to mesmerizing protozoa and vibrant algae. Not only will you be observing these microorganisms, but you’ll also gain invaluable hands-on experience, mastering the art of slide preparation, microscope focusing, and the discernment of various microorganisms.

Observing Microorganisms with a Microscope

  • A high-quality microscope, your window into the minuscule
  • Essential microscope slides and coverslips
  • Precision dropper
  • A toothpick, the bridge between our world and theirs
  • Diverse microorganisms (Consider sources like pond water, tangy yogurt, or intriguing bread mold)
  • Start by depositing a single drop of water onto your microscope slide.
  • With the aid of a toothpick, procure a minuscule sample of your chosen microorganism.
  • Gingerly position this sample amidst the water droplet on your slide.
  • Securely overlay your sample with a coverslip.
  • Introduce your slide beneath the microscope’s gaze, fine-tuning the focus to unveil clear visuals of your microorganisms.

Get ready for a dynamic visual exploration of the microscopic world with this video! In this video, they’ll be collecting samples and observing microorganisms under a microscope.

Experiment 7: Studying Chemical Reactions with Alka-Seltzer Experiment

For high school science enthusiasts yearning for an experiment that’s as thrilling as it is educational, you’ve just stumbled upon the perfect discovery! This captivating experiment not only teaches the core principles of chemical reactions but also delivers a visual feast of effervescence. When Alka-Seltzer tablets meet water, they conjure an impressive display, producing carbon dioxide gas that showcases the magic of chemistry in real time. Understanding these reactions can be the foundation for more advanced scientific explorations in the future.

Studying Chemical Reactions with Alka-Seltzer

  • Alka-Seltzer tablets
  • Crystal clear water
  • A transparent plastic bottle or jar to witness the reaction in all its glory
  • A balloon, to visualize the carbon dioxide production
  • Start by pouring water into your chosen transparent container.
  • Gently introduce an Alka-Seltzer tablet into this aquatic environment.
  • Without delay, fit the balloon snugly over the mouth of your bottle or jar.
  • Become an observant scientist as the tablet orchestrates its dance with the water, culminating in the balloon’s expansion due to the released carbon dioxide gas.

For a more detailed, dynamic demonstration, watch the following video. It dives deep into the fizz-filled world of Alka-Seltzer chemical reactions. Prepare to be dazzled by the wonders of chemistry brought to life!

Experiment 8: Measuring the Speed of Light with a Microwave Oven

High school students, are you keen on exploring the fascinating realm of light speed in a fun and unique way? This ingenious experiment, tailor-made for you, unravels the mysteries of light speed using everyday items: a microwave oven and a chocolate bar. By keenly watching the melting patterns on the chocolate, students can decipher and compute the speed of light with remarkable precision.

Measuring the Speed of Light with a Microwave Oven

  • A common kitchen microwave oven
  • Your favorite chocolate bar (any brand will do)
  • A ruler for precise measurements
  • A trusty calculator to crunch the numbers
  • A sheet of paper to jot down your observations
  • First, lay the chocolate bar evenly on a microwave-safe plate and introduce it to the microwave.
  • Power up the oven to its maximum setting, and let it run for precisely 10 seconds.
  • Once done, keenly inspect the chocolate bar to identify the molten spots.
  • With your ruler, gauge the exact distance separating these melted areas.
  • Employing the formula: speed of light = distance between spots/time (recorded in seconds), compute the speed of light.

Are you curious about the speed of light and want to measure it yourself? With just a microwave oven and a chocolate bar, you can calculate the speed of light with this fun and easy experiment.

Experiment 9: Demonstrating Newton’s Third Law of Motion with Balloons

Experience the thrill of science experiments for high school with an exhilarating balloon propulsion activity. This experiment, perfect for curious students, offers a hands-on exploration of Newton’s Third Law of Motion, demonstrating the principle that every action has an equal and opposite reaction. Witness the fascinating phenomenon of air rushing out of a balloon and propelling it in the opposite direction, a vivid illustration of Newton’s foundational concept.

Demonstrating Newton’s Third Law of Motion with Balloons

  • A collection of vibrant balloons
  • Sturdy string to guide the balloons’ flight
  • A couple of drinking straws
  • Trusty tape to secure your setup
  • A pair of scissors for accurate modifications
  • Secure one end of your chosen string to a balloon, while adhering the other extremity to a sturdy surface, perhaps a table or chair.
  • Transform the straws into smaller segments using scissors and affix them onto the balloon using tape.
  • Vigorously inflate the balloon, gripping it by the straw fragments.
  • Let go of the balloon and marvel at its trajectory.
  • Modify the experiment by adjusting the air volume within the balloon and note the variations in its path.

Have you ever wondered why launching a balloon across the room sends it in the opposite direction? This experiment will demonstrate Newton’s Third Law of Motion and show you how equal and opposite reactions work.

Experiment 10: Observing the Greenhouse Effect with Sunlight and Jars

Elevate the high school learning experience with this dynamic experiment centered around the intriguing greenhouse effect. Dive deep into the science of how solar energy interacts with varying substances enclosed in jars. This hands-on exercise allows students to not only observe but also understand the mechanisms driving this significant natural event impacting Earth’s climate. Melding ecological comprehension with lab fun, this project illuminates a cornerstone of environmental science.

Observing the Greenhouse Effect with Sunlight and Jars

  • Sturdy glass jars for clear observations
  • Accurate thermometers to record nuanced temperature shifts
  • Black construction paper, known for absorbing more sunlight
  • Reflective white paper
  • Fresh water, symbolizing Earth’s oceans and seas
  • Pour water into one jar, leaving the second jar empty.
  • Envelop the water-filled jar with absorbent black construction paper, positioning it under direct sunlight.
  • Similarly, shroud the empty jar with reflective white paper and place it adjacent to the black-covered jar.
  • Immerse a thermometer into both jars, meticulously noting down temperature variations at regular intervals.
  • Analyze the thermal alterations between the two jars over a specific timeframe.

Ever pondered the intricate workings of the greenhouse effect and its profound implications for Earth? This experiment unravels its mysteries, demonstrating the differential heating effects of light on varied jar contents. Prepare to be enlightened by the illuminative wonders of environmental science!

Experiment 11: Investigating Chromatography with Markers

High schoolers are always looking for fun and engaging ways to learn about science. That’s why chromatography is the perfect experiment to capture their attention. Through this experiment, students get to witness the separation of inks or dyes into their individual components, making for a colorful display. Not only is it visually stimulating, but it also teaches the fundamental principles of chromatography – a process used in the medical and forensic sciences.

Investigating Chromatography with Markers

  • Coffee filter paper
  • Pens or markers with water-based ink
  • Rubbing alcohol or water
  • Clear plastic cup
  • Cut the coffee filter paper into strips, and draw a small dot of ink in different colors near the bottom of each strip.
  • Pour a small amount of rubbing alcohol or water into the clear plastic cup, and place the bottom of the coffee filter strip into the liquid.
  • Use a pencil to secure the top of the strip to the edge of the cup, making sure that the bottom of the strip is just touching the liquid.
  • Observe the inks as they move up the paper, and wait until the liquid has almost reached the top.
  • Remove the paper strip and let it dry. Observe and identify the different colors that were separated by the chromatography process.

In this experiment, we will be investigating chromatography using everyday materials like coffee filter paper, pens, and rubbing alcohol. Watch as the colorful separation of ink molecules takes place before your very eyes!

Experiment 12: Creating a Simple Electromagnet

Discover the fantastic world of electricity and magnetism! With this experiment, high school students can delve into the intriguing relationship between these two concepts. Get ready to build an amazing electromagnet that will teach you how current flows and creates magnetic waves. You will uncover how the magnetic field produced can have practical applications in our daily lives.

Creating a Simple Electromagnet

  • Copper wire
  • Battery (preferably a 9-volt battery)
  • Wrap the copper wire around the iron nail, leaving about 6 inches of wire on either side.
  • Connect one end of the wire to one end of the battery, and the other end of the wire to the other end of the battery.
  • Test the electromagnet by touching the tip of the nail to a paperclip. The paperclip should be attracted to the nail and stick to it.
  • Experiment with the number of turns of wire around the nail and the strength of the battery to see how these factors affect the strength of the electromagnet.

In this experiment, we will be creating a simple electromagnet using a few common materials like copper wire, an iron nail, and a battery. Discover how electricity and magnetism are intertwined, and learn about the practical applications of electromagnets in everyday life!

Experiment 13: Examining Photosynthesis with Leaf Disks

Invigorate your biology lesson with a dynamic experiment that highlights the fundamental concept of photosynthesis. Watch as high school students discover the magic of this process in action by extracting chloroplasts from fresh spinach leaves. By connecting the dots between the textbook and the real world, students will gain a deeper understanding of the intricate processes that make life possible.

Examining Photosynthesis with Leaf Disks

  • Spinach leaves
  • Distilled water
  • Isopropyl alcohol
  • Plastic syringes
  • Clear plastic cups
  • Light source
  • Sodium bicarbonate
  • Paper clips
  • Microscope slides and coverslips
  • Cut the spinach leaves into small pieces and blend them with distilled water to extract the chloroplasts.
  • Mix a solution of sodium bicarbonate and distilled water to create a solution with a pH of 7.0.
  • Fill a syringe with the solution and gently inject it into the leaf discs using a hole punch.
  • Add a drop of soap to the solution to reduce surface tension.
  • Put the leaf discs in the clear plastic cups filled with the sodium bicarbonate solution and place them under a light source.
  • Start the timer and observe the leaf discs as they undergo photosynthesis.
  • Record the time it takes for the leaf discs to float to the surface and record the rate of photosynthesis.

In this experiment, we’ll be examining photosynthesis with leaf disks. Watch as we extract chloroplasts from spinach leaves and observe the process of photosynthesis in action.

Experiment 14: Extracting DNA from Strawberries

Explore genetics through a DNA extraction experiment using strawberries. High school students will observe and extract DNA using household materials. By following steps, they’ll witness the tangible genetic code in cells. This experiment offers insights into DNA, genetics, and cellular biology fundamentals.

Extracting DNA from Strawberries

  • 3 large strawberries
  • A Ziplock bag
  • Salt (1/2 tsp)
  • Meat tenderizer (1/2 tsp)
  • Water (1 cup)
  • Coffee filter
  • 2 tall glasses
  • Rubbing alcohol (ice cold) to precipitate DNA
  • Place 3 large strawberries inside a Ziplock bag and carefully remove the air.
  • Mash the strawberries inside the bag using your fingers until well mashed.
  • In a separate cup, dissolve 1/2 tsp of salt, 1 tsp of soap, and 1/2 tsp of meat tenderizer into 1 cup of water.
  • Pour this mixture into the Ziplock bag containing the mashed strawberries. Seal the bag and mix for another minute.
  • Position a funnel over a tall glass, placing a coffee filter inside. Carefully pour the strawberry solution through the filter.
  • Wait for the solution to filter into the glass. This will serve as the DNA extraction solution.
  • In a second tall glass, add about 1/8 of ice-cold rubbing alcohol.
  • Tilt the glass slightly and slowly pour the DNA extraction solution on top, allowing it to form a layer.
  • After a moment, strands of DNA will begin to appear at the boundary between the extraction solution and the alcohol.
  • Utilize the wooden stick to gather the DNA strands. This is the DNA extracted from the strawberries.

This accompanying video will guide students visually on extracting DNA from strawberries. By the conclusion of this experiment, students will possess a tangible understanding of DNA and its extraction process.

Experiment 15: Building a Mini Tesla Coil

Building a Mini Tesla Coil

The wonders of electromagnetic fields and their applications in modern technology can captivate high school students. Diving into the realm of electronics, students will be introduced to the world of Tesla coils, a device that can wirelessly transmit electricity. Through constructing a mini Tesla coil, students will not only see but also grasp the principles of resonant transformers and wireless energy transfer. This hands-on project serves as an introduction to concepts like electromagnetism, resonance, and high-frequency oscillations.

  • Small PVC tube
  • Copper wire (24-gauge)
  • A 9V battery and connector
  • A small neon light bulb
  • Capacitor (0.002 uF)
  • Soldering iron and solder
  • Wind the copper wire tightly around the PVC tube, leaving some space at both ends.
  • Connect one end of the wire to the capacitor and the other end to the 9V battery connector.
  • Attach the switch between the battery and the coil.
  • Solder all connections to ensure they’re secure.
  • Once completed, turn on the switch and bring the neon light bulb close to the coil. It should illuminate without any direct connection.
  • Observe the wireless transmission of electricity through the bulb’s illumination.

This video provides a step-by-step guide on building the mini Tesla coil. At the end of this project, students will have a clear insight into the principles of electromagnetic fields and their practical applications.

Additional 3 Fun Science Experiments for High School

As students progress through high school, they’re bound to encounter a wide range of scientific principles that can be hard to grasp through book learning alone. That’s where science experiments come in – they offer the chance for students to really engage with these concepts in a hands-on way, fostering a deeper understanding of the fundamentals.

Additional 3 Fun Science Experiments for High School

Plus, when students are given the freedom to explore and experiment, they’re able to develop important critical thinking and problem-solving skills, as well as flex their creative muscles. It’s no wonder that science experiments are a vital part of any well-rounded high school education.

Experiment 16: Making Invisible Ink with Lemon Juice

Looking to add some excitement and thrill to high school chemistry labs? This experiment is a fantastic way to get students engaged and interested in the science behind invisible ink. By harnessing the power of organic compounds found in lemon juice, students will be able to create their own invisible ink and watch it appear right before their eyes when heated up. It’s a hands-on way to learn about chemical reactions, and it’s sure to leave a lasting impression on any young, aspiring scientist.

  • Cotton swab
  • White paper
  • Heat source (such as a light bulb or iron)
  • Mix lemon juice and water in a bowl in a 2:1 ratio.
  • Use the cotton swab to write a message on the white paper using the lemon juice mixture.
  • Allow the message to dry completely.
  • Heat the paper with a light bulb or iron until the message becomes visible.

In this captivating experiment video, budding scientists can unlock the secrets of invisible ink with a little help from organic compounds found in lemon juice. Get ready to witness the magic unfold as students craft their own covert messages, and watch them materialize before their very eyes with a simple application of heat.

Experiment 17: Creating Rainbow Fire with Salt

Experience the magic of flame coloration with this energetic experiment. Get a firsthand look at how different compounds can affect flame coloration – from the bright yellow produced by salt to the unique hues created by copper sulfate and strontium chloride. Explore the fascinating world of chemistry and fire with this colorful demonstration.

  • Heat-resistant container (such as a ceramic bowl)
  • Heat source (such as a lighter or match)
  • Optional: copper sulfate or strontium chloride for additional colors
  • Sprinkle salt evenly into the heat-resistant container.
  • Ignite the salt using a heat source.
  • Observe the bright yellow color produced by the salt.
  • For additional colors, add a small amount of copper sulfate or strontium chloride to the salt and ignite.

This video will provide you with an illuminating perspective on the captivating world of flame coloration. Discover the captivating shades that emerge from copper sulfate and strontium chloride, along with the vibrant yellow that salt can produce.

Experiment 18: Exploring Bioluminescence with Glowing Bacteria

This exciting experiment will introduce high school students to the fascinating world of bioluminescence. Through the use of a bacteria and sugar mix, students will have the opportunity to witness firsthand the incredible power of organisms, such as fireflies and glowing bacteria, that produce their own light. Get ready for an enlightening experience that will ignite your curiosity and leave you glowing with excitement!

  • Bioluminescent bacteria (such as Vibrio fischeri)
  • White granulated sugar
  • Flask or test tube
  • Mix a small amount of bioluminescent bacteria with a spoonful of white granulated sugar in a flask or test tube.
  • Add water to the flask or test tube until it is about ¾ full.
  • Shake the flask or test tube to mix the solution.
  • Wait several hours for the bacteria to multiply and produce light.
  • Observe the bioluminescence produced by the bacteria in a dark room.

In this video, you’ll discover the wonder of organisms that light up on their own, like magical fireflies and glowing bacteria. Using a special bacteria and sugar concoction, students will be amazed by the incredible display of light created by these tiny creatures.

For additional inspiration on school science projects, explore our other articles:

  • 21 Science Experiments for Kids for All Ages
  • 12 Exciting Science Experiments for Teens
  • 15 Solar System Project Ideas

Useful Science Experiments Resources

  • SSEC.si.edu — Discover a world of science wonders and excitement with these trusted and free online resources! Get ready to dive into the depths of interactive and engaging lesson plans and experiments that cater to high school students’ needs. From exploring the intricacies of the Smithsonian Science Education Center resources to aligning with national science standards, you’re bound to leave your students clamoring for more!
  • ScienceMuseum.org.uk — Science museums and local science centers provide an exciting playground for both students and teachers. They are not just ordinary establishments, but a treasure trove of hands-on exhibits, workshops, and engaging programs that help explore science in a captivating and interactive way. These institutions are ideal for anyone looking to immerse themselves in the world of science while having fun at the same time.
  • NSTA.org — Science teachers need to stay ahead of the game when it comes to teaching methods, curriculum updates, and technology advancements. To achieve this, they can take advantage of professional development opportunities. The National Science Teachers Association (NSTA) offers a range of options like workshops, conferences, and online courses to help educators refine their skills.

The world of science is endlessly fascinating, and introducing high school students to these concepts can be a thrilling experience. For teachers looking to inspire curiosity in their students, we recommend trying out these 18 science experiments for high school. From discovering the secrets of invisible ink to exploring the wonders of bioluminescence, these experiments are sure to ignite a spark of excitement in students. Not only do science experiments provide a memorable way to learn, but they also help students develop crucial problem-solving and critical-thinking skills.

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Education Corner

30 Best Science Experiments & Projects for High School

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Welcome to our round-up of top science fair projects and science experiments tailored specifically for curious high school students.

Science fair is not just about the glitz and glamour of a first-place trophy; it’s about the passion, the inquiry, and the insatiable curiosity that drive every scientist, young and old. Hopefully, our curated list of the best hands-on science fair projects for high school students will ignite that curiosity in you.

Each project on this list offers a unique opportunity to dive deep into scientific inquiry and present findings with both clarity and flair.

Let’s dive in and make learning an unforgettable adventure!

1. Burn Calories

Burn Calories

Don’t miss this opportunity to unravel the mysteries of energy transformation and uncover the scientific secrets hidden in the simplest of substances!

Learn more: Science Buddies

2. Extracting DNA from Strawberry

Extracting DNA from Strawberry

By following a series of simple yet insightful steps, students will witness the magical moment of DNA extraction, fostering a deeper appreciation for the fundamental building blocks of life.

Learn more: Extracting DNA from Strawberry

3. Build a Simple DIY Newton’s Cradle

As students assemble the materials and witness the rhythmic dance of swinging spheres, they will witness the scientific principles they’ve learned in the classroom come to life before their eyes.

4. Make a Monster Dry Ice Bubbles

Make a Monster Dry Ice Bubbles

Unleash your inner mad scientist and dive into a world of enchanting and eerie fun with this high school science experiment: Make Monster Dry Ice Bubbles!

Get ready to be captivated as you create giant, spooky bubbles that dance and swirl with the mysterious power of dry ice.

Learn more: Wonder How To

5. Soil Erosion Experiment

Soil Erosion Experiment

As stewards of our environment, it’s crucial to comprehend the impact of natural processes like soil erosion.

Through this experiment, students will gain a deeper appreciation for the significance of soil conservation and sustainable land management practices.

Learn more: Life is a Garden

6. Candle Carousel

Candle Carousel

This experiment combines the wonders of physics with the art of crafting, making it an enriching experience that ignites curiosity and fosters a deeper appreciation for the elegant dance of energy in our world.

7. Find Out if Water Conducts Electricity

Find Out if Water Conducts Electricity

In this captivating activity, students will explore the conductive properties of water and unlock the secrets of how electrical currents flow through different substances.

Learn more: Rookie Parenting

8. Roller Coaster Stem Experiment

Roller Coaster Stem Experiment

By experimenting with various designs and track configurations, students will refine their problem-solving skills and gain valuable insights into the practical applications of physics and engineering.

Learn more: STEM Project

9. Lemon Battery

Lemon Battery

Engaging in this experiment not only teaches the basics of electrical circuits but also sparks curiosity about the natural world and the science behind it.

Learn more: Coffee Cups and Crayons

10. Watering Plants Using Different Liquids

Watering plants using different liquids

Discover the wonders of plant hydration with the intriguing high school science experiment – “Watering Plants Using Different Liquids.” In this captivating project, students explore how various liquids impact plant growth and health.

Learn more: Lemon Lime Adventures

11. Measure Electrolytes Found in Sports Drinks

By conducting a series of tests and analyses, students will quantify the electrolyte content present in various sports drinks.

12. Relight the Flame Without Directly Touching It

Relight the Flame Without Touching It

This captivating project challenges students to delve into the intriguing properties of heat transfer and combustion.

By exploring different methods to reignite a candle flame without physical contact, students will uncover the secrets of heat conduction, convection, and radiation.

Learn more: Stevespangler

13. Conduct Fingerprint Analysis

This captivating project immerses students in the intriguing world of crime scene investigations, where they will uncover the uniqueness of fingerprints and their role in forensic science.

14. Separate Water Into Hydrogen And Oxygen Using Electrolysis

Separate Water Into Hydrogen And Oxygen Using Electrolysis

This electrifying project allows students to explore the fascinating world of electrolysis and the decomposition of water into its elemental components.

Learn more: Navigating by Joy

15. Simple Color Detection Circuit 

This experiment not only introduces fundamental concepts in electronics and circuitry but also opens up endless possibilities for real-life applications, from automated sorting systems to color-sensitive devices.

16. Carbon Sugar Snake

Carbon Sugar Snake

This enchanting project allows students to witness a dazzling display of science as they combine common household ingredients to create a dark, coiling “snake” made of carbon.

Learn more: Kiwi Co

17. Build a Hydraulic Elevator

Build a Hydraulic Elevator

This captivating project invites students to delve into the world of engineering and fluid mechanics. By constructing a working model of a hydraulic elevator, students will explore the principles of Pascal’s law and the fascinating concept of fluid pressure.

Learn more: Teach Beside Me

18. Brew up Some Root Beer

Brew up Some Root Beer

This enticing project invites students to explore the fascinating world of chemistry and fermentation while creating their own delicious and bubbly concoction.

Learn more: Home School Creations

19. Extracting Bismuth From Pepto-Bismol Tablets

Extracting Bismuth From Pepto-Bismol Tablets

This hands-on experiment not only sheds light on the principles of chemistry and lab techniques but also highlights the real-world applications of bismuth in medicine and various industries.

Learn more: Popscie

20. Solar-Powered Water Desalination

Solar-Powered Water Desalination

By designing and building a solar-powered water desalination system, students will learn how to harness the sun’s energy to purify saltwater and make it safe for consumption.

21. Applying Hooke’s Law: Make Your Own Spring Scale

science projects for high school chemistry

By designing and constructing their very own spring scale, students will uncover the principles of Hooke’s Law and the relationship between force and displacement in a spring system.

22. Homemade Hand Warmer

Homemade Hand Warmer

By creating their own hand warmers using safe and easily accessible materials, students will witness the magic of heat generation through chemical processes.

Learn more: Steve Spangler

23. Explore the Concept of Symbiosis Involving Nitrogen-Fixing Bacteria.

Delve into the concept of symbiosis involving nitrogen-fixing bacteria.

By investigating how certain plants form a mutually beneficial bond with these bacteria, students will gain insights into the essential role of nitrogen fixation in the ecosystem.

Learn more: Education.com

24. Center of Gravity Experiment

Center of Gravity Experiment

This fascinating project invites students to explore the concept of the center of gravity and its role in determining stability.

25. Power up Homemade Batteries

Power up Homemade Batteries

This captivating project invites students to delve into the fascinating world of electrochemistry and energy generation.

Learn more: 123 Homeschool

26. Film Canister Explosions

Film Canister Explosions

Prepare for a blast of excitement and chemistry with the high school science experiment – “Film Canister Explosions!” This thrilling project invites students to explore the fascinating world of chemical reactions and pressure build-up.

27. Investigating Osmosis with Potato Slices

This hands-on experiment not only provides a practical understanding of osmosis but also highlights its relevance in everyday life, from understanding plant hydration to food preservation techniques.

28. Make Homemade Fly Trap

Delve into the fascinating world of insects with the high school science experiment – “Make Homemade Fly Trap!” This captivating project invites students to explore the principles of pest control and observe the behavior of flies.

29. Hydroponics: Gardening Without Soil

This exciting project invites students to explore innovative agricultural practices that harness water and nutrient solutions to grow plants.

By setting up their hydroponic system and nurturing plants through this method, students will witness the fascinating dynamics of root development and nutrient absorption.

30. Clothespin Airplane

Clothespin Airplane

As they test and modify their creations, students will delve into the principles of lift, thrust, and drag, gaining a deeper understanding of how these forces come together to keep airplanes soaring through the skies.

Learn more: Steamsational

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  • 68 Best Chemistry Experiments: Learn About Chemical Reactions
  • 37 Water Science Experiments: Fun & Easy
  • Top 50 Fun Food Science Experiments

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STEM Geek logo

STEM Projects for High School Chemistry

science projects for high school chemistry

Parents and teachers, are you helping kids learn the right way?

There’s no right or wrong in science, but there is right and wrong in the learning process itself. Kids need to learn by doing so they could become able to do by learning!

Learning by doing is not only memorable but also very important in the processing of information. This way, the newly acquired knowledge can be put into perspective and some of the applications can be shown. Years on, I still have pleasant memories of the science projects and homework I was assigned as a student – thoroughly enjoying the more creative aspects of the STEM subjects.

And nowhere is this more obvious than in chemistry ! It is all around us, lending itself easily to experimentation and creativity.

Here I’ll try to throw together some ideas around STEM projects for high school chemistry, and hopefully, inspire you to get your students and kids involved in more chemistry projects going forward.

Related post:  Awesome STEM Projects for High School Biology

Projects Are More Than Just Experiments

Students in high school have contact with only a fraction of what the field has to offer. And indeed, it’s only right to learn the basics before they can move on to more complex information and other areas.

However, I feel it’s still important to expose students to more advanced ideas and show them that chemistry is more than learning molecular formulas and synthesizing stuff in the lab .

Not only that, but I also feel that it’s important to cherish a person’s creativity. After all, science is a creative field to a certain extent. Setting up projects and experiments is a great way to encourage learning, inspire, and show the vastness of the field to students.

Chemistry covers everything from maths to mixing chemicals in a lab. It involves equipment and technical knowledge, software development, computation, and calculation. Drugs are being invented, designed and made by medicinal chemists. Materials, imaging probes, pigments, DNA wires, and nanomaterials to name a few more – if something exists, there’s bound to be some chemistry there !

From experience, I do understand why teachers and parents might not be as keen to let teens carry out  science experiments . The learning process can be messy and difficult – both physically and mentally.

But then projects aiding in learning are not necessarily experiments. They can simply be demonstrations and explanations in different mediums. My aim is to share ideas for projects that will hopefully be fun for the students AND for the educator.

Traditional and Pure – Mixing Science with Science

Mess level 3.

Boy with dirty hands doing a STEM project

It’s true that practical chemistry need not be messy.

But if you’re not afraid to get your hands dirty, you can definitely try out some of the more traditional demonstrations – preferably in an area that’s easy to clean! For example, two common demonstrations are the ‘ black snake ’ and the ‘ carbon snake ’ which are two different reactions.

The ‘black snake’ is done with sugar and sodium bicarbonate, whereas the ‘carbon snake’ is a reaction between sulfuric acid and sugar. Both produce a black foamy pillar or a ‘snake’. However, they are useful in explaining the difference in reactivity while introducing a bit of firework chemistry .

Mess Level 1

On a slightly less messy side, you can give crystal growing a shot.

Quite an opposite to the instant explosive chemistry demonstrations, this requires time and patience. Kits are available to grow large, colorful crystals such as Eastcolight Smart Crystal, but you can also DIY the thing and use some at home.

Crystal growing is a great introduction to crystallography, explaining intramolecular interactions and the importance of energy of the system. This project lends itself well to keeping a lab book, recording the procedures followed, as well as the conditions used for the growth.

In a classroom setting, it would be great to see who can grow the biggest crystal and what they did to achieve it.

Mess Level 0

If you’d rather avoid mess altogether, there are also some dry lab projects available.

Molecular modeling kits are quite easily available and are a piece of kit that can come in useful time and time again at any stage of education. Such kits are a great addition to almost any classroom where bonding can be visually explained and presented in 3D, instead of just flat drawings on the board.

As a project idea, you can give a small set of atoms and bonds (e.g. 2 x carbon, 2 x oxygen, 6 x hydrogen), asking the students to come up with as many structures as they can, recording the molecular formula, the 2D structure, and then researching the name and some facts about the molecule they just built.

This backward approach of building first and learning later can be quite a bit more fun than starting with dry facts.

Computerize!

If powerful computers are available, then a dip into computational chemistry is the way to go. Software such as UCSF Chimera  and GROMACS is free to download and use with plenty of tutorials available on the web.

Allowing students to play around with some of the software can be beneficial to their understanding of how molecules look and behave when simulated. Due to the relatively steep learning curve , however, you should treat this as a project to build upon over a longer period.

This works well with programming where students can learn to solve some simple chemistry problems, such as calculating the energy produced by a system using the first law of thermodynamics (Q=mc?T), by building a simple script.

Chemistry? Artistry? Why Not Both!

For people who are quite creative and artistic in nature, you can set up art projects based on chemistry.

It’s a common misconception that scientists aren’t creative. In fact, while much science requires the kind of creative thinking usually associated with more overtly “artistic” fields, many scientists and researchers are artists in their spare time – whether it involves painting, music, or performance.

Oil paint with different colors

An interesting project combining art and chemistry would be to produce a piece of art but then write a little bit about it in terms of the chemical composition and the chemical interactions.

For example, an oil painting answering questions such as: What compounds produce the colors used? How do the solvents interact with the pigments? How does the paint formulation work with the paper or canvas used?

Bottom Line

Of course, different projects will be liked and disliked by different people – you can’t satisfy everyone.

In fact, most scientists would agree that their life mission is to NOT try and satisfy anyone.

Therefore, expanding the range of projects and letting students try out more than just bunsen burners will hopefully inspire some of them to research the field further and take up an interest in the subject.

With something as visual and exciting as chemistry, you should definitely encourage projects. (For more project ideas, head over to this STEM Learning site .)

Don’t be afraid to reach out of the stereotypical scope of chemistry! Projects that include ideas from other subjects would be best, showing that chemistry is linked to almost anything.

After all, interdisciplinary learning is all the rage now. And for good reasons!

Frequently Asked Questions on STEM Projects for High School Chemistry

Do i need any special equipment to carry out chemistry projects at home.

Not necessarily! It highly depends on the project you want to try.

While some things may be a good investment for the future, don’t feel the need to create a mini lab at home . If anything, you can always suggest a project to your high school chemistry teacher!

Aren’t some of the projects too difficult for a high school student?

While some projects are more challenging, and some students will struggle with some ideas, the point should be to expose them to a variety of information. This should be a learning experience rather than a test, where mistakes can be made and addressed.

Contributor Sylvia is currently doing a PhD in Computational Chemistry in the UK. When she’s not writing her thesis, Sylvia enjoys inspiring young minds at science festivals and she particularly enjoys making complex information accessible and easy to understand.

science projects for high school chemistry

Mark is the driving force behind STEM Geek. With 20 years of experience in chemistry education and research, and 3 willing children as guinea pigs, Mark has a passion for inspiring kids and adults to combine fun and learning with STEM Toys!

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12 Chemistry Research and Passion Project Ideas For High School Students

science projects for high school chemistry

By Alex Yang

Graduate student at Southern Methodist University

8 minute read

equations on a glass wall

Chemistry is much more than just a subject taught in classrooms, it's also the science that explains the world at the molecular level. For students with an interest in experimentation, the elements that make up our universe, and a desire to dive deeper into careers like nutrition, medicine, environmental science, or energy, creating a chemistry passion project can be a valuable journey. A unique aspect of a chemistry passion project is that it has the flexibility to be more research oriented, or more hands-on and experimental.

In this article, we’ll dive into chemistry research and passion project ideas that you can either try to execute on your own or use as inspiration for a project you design. We’ll also cover how you can decide which project or topic to focus on, and navigate the diverse range of ideas within the field of chemistry.

Finding Your Chemistry Passion Project Focus

There are many different directions you can take with your chemistry passion project, so first it’s important to sit down and think through what specific topics within chemistry you’re interested in. Maybe you’re more interested in the medical side of chemistry, or perhaps you’re intrigued by the environmental science applications of chemistry. If you find yourself in that position, great! You can choose to dive deeper into any of those interests. 

After you’ve found some initial passion project ideas , the easiest step from there is just to Google or YouTube those topics and start learning more about them. You’ll find that as you start to conduct preliminary research into a few ideas, one will start to stand out to you more.

12 Chemistry Passion Project Ideas

1. what's in my water .

Most water contains heavy metal ions such as copper, iron, and zinc. Not all metal ions are bad but at high concentrations they can be unsafe. In this project you could collect water samples within your community and measure the metal ion levels such as ferric and ferrous water. Research techniques for how to accurately measure metal ion levels in water. In this project, you’ll learn more analytical chemistry techniques and explore a question relevant to public health.

Idea by chemistry research mentor Grace

2. Ocean acidification 

As the world moves towards global warming, we are seeing increasing concentration of carbon dioxide in the atmosphere. This constantly shifts the equilibrium of carbon dioxide in the atmosphere and the concentration of carbon dioxide in the ocean, forming an acidic compound that results in lowering the pH of the ocean gradually. This can have detrimental effects on organisms that live there. This project could be used to do a deeper dive into the acidification rate of the ocean and examine potential impacts to specific organisms living in the ocean.

Idea by chemistry research mentor Janson

3. Metals for life 

If asked about metals important to life, chances are iron and calcium would first come to mind, as they are important parts of our blood and bones. There are many more metals that are needed for essential biological functions, however. In this project you will dive into scientific literature to learn about different life metals, find out what their roles are in biology, and learn what kind of life forms need them. You will also learn about the newest addition to the life metals - the lanthanides. Then, choose one life metal and review two recent scientific articles involving your metal of choice. Finally, generate a description of the metal's function in biology. Your creativity is the limit as to how you show the importance of metals for life.

Idea by chemistry research mentor Nathan

4. Sustainable chemical production 

Most chemicals in our world today are produced with petrochemical feedstocks (e.g., oil, natural gas). Research and discuss the possibility for replacing the petrochemical feedstock with a renewable one, such as biomass. What are the current realistic options? Which chemicals can be (and are already) produced with renewable feedstocks and which chemicals will be more difficult or require more research to produce sustainably?

Idea by chemistry research mentor James

5. Sleep medication: a bottle of lies or a bottle of dreams? 

There are many drugs and other substances (such as melatonin) that are prescribed to people that have issues sleeping. However many of these medications have mixed efficacy and it is unknown exactly what they do. This project could revolve around investigating a currently known drug/ substance (e.g., Ambien, melatonin), and researching how the drug affects the brain and its efficacy. You could also investigate potential future sleep therapies that could have better results than the current sleep drug market. Another potential route is developing a survey to determine how well these drugs are helping people sleep.

Idea by chemistry research mentor Sean

6. All about rubber

Polymers are some of the most relevant and impactful materials for everyday life, and the basis of all polymer science lies in understanding the structure-property relationships present in these macromolecules. In this project, you will gain a better understanding of the chemical and mechanical properties of rubber, an extremely familiar yet remarkably unique polymeric material. Through either hands-on experimentation or an in-depth literature review, you will research the chemical structure of rubber in order to understand the effect of temperature and vulcanization on its mechanical behavior. 

Idea by chemistry research mentor Sarah

7. Battery storage 

Batteries are proving to be a great way to store large amounts of energy from intermittent renewable sources. This project could involve researching current battery technologies and showing through graphs or some other visual representation of how much battery storage a city (or state/province) would need to run 100% off of renewable sources.

Idea by chemistry research mentor Landon

8. Designing a chemical production process 

In this project, a student will work on designing a chemical production process for a chemical. They would research the chemical reaction, learn about the critical research and engineering decisions that go into engineering a process, and propose a design for a more efficient manufacturing route.

Idea by chemistry research mentor Lucas

9. Water absorbent polymers for home gardening 

You'll conduct experiments and/or conduct surveys to determine what commercially-available water absorbent polymers are useful and cost-effective for home gardeners and write a research paper summarizing your results. You'll dive into polymer and agriculture science while also learning core research skills.

10. Why do some people respond differently to diabetes treatments?

Approximately 37 million Americans have diabetes . However, the response to diabetes treatment can be variable as a result of the many mutations. Using published literature and online databases, identify the most common type 2 diabetes medications and the genetic mutations that cause differential responses to these medications.

Idea by chemistry research mentor Geralle

11. Understanding novel non-opioid pain therapies 

Opioids, though very effective in managing specific pain states, are extremely dangerous and can often lead to overdose. The dual chronic pain and opioid epidemic outline the need for novel, non-opioid therapies to treat pain. In this project, you can look to understand more about current opioid shortcomings, the landscape of emerging pain therapies, and the future of pain management in the United States.

Idea by chemistry research mentor David

12. Is nuclear energy worth pursuing? 

The world faces a climate crisis, one in which immediate and drastic action is needed. Promising technologies such as nuclear power have faced public opposition and regulatory hurdles for years. Explore whether it is technically viable (i.e., is it better than other energy generation techniques?) and practically acceptable (i.e., is it safe and what are the long-term consequences?) to pursue nuclear energy.

Idea by chemistry research mentor Uday

How to Showcase Your Chemistry Passion Project

After you’ve put in all the hard work of researching and learning new skills, it’s also equally important to decide how you want to showcase your project . You can see that in many of the project ideas above, there is a clear topic of focus but the final product of the project is open-ended. You could try to publish a research paper, create a podcast or video, or even create an informative blog or website. You’ll find that although many project ideas may feel like they should culminate in a paper, many actually lend themselves well to another form of showcasing. Try to be creative and showcase your work in a way that feels authentic to you!

Examples of Chemistry Passion Projects Completed by Polygence Students

There are several chemistry passion projects created by Polygence students that we want to highlight and show for inspiration! 

Nicolette was able to explore how diseases like typhoid, malaria, and COVID-19 are cured using African herbal remedies and why the field is declining, culminating in a research paper and blog post. 

Natasha’s project explored how the inclusion of specific enzymes in sunscreen can help people with UV-induced skin diseases. Natasha’s project was presented in the form of a review paper.

Want to start a project of your own?

Click below to get matched with one of our expert mentors who can help take your project off the ground!

Student working on a rocket ship

In this article, we covered how to find a chemistry passion project that interests you and shared 12 different research and passion project ideas from our extensive network of research mentors. Of course, these are just a few of many different potential chemistry project ideas, and we encourage you to be curious and explore chemistry project ideas beyond this list.

If you’re interested in pursuing a chemistry passion project, Polygence’s programs are a great place to start and learn from excellent mentors.

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Do Your Own Research Through Polygence

Your passion can be your college admissions edge! Polygence provides high schoolers a personalized, flexible research experience proven to boost your admission odds. Get matched to a mentor now!"

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Chemistry Science Fair Projects: Winning Projects to Impress the Judges

  • January 22, 2023
  • Science Fair Ideas

Get ready to impress and inspire as you discover the true potential of Chemistry Science Fair Projects.

In this guide, we’ll provide you with winning ideas and topics that will wow the judges and give you the competitive edge you need to take home the prize.

From exploring the properties of chemical reactions to uncovering the mysteries of the periodic table, these projects will showcase your knowledge and skills in the field of Chemistry.

Chemistry Science Fair Projects

Table Of Contents

Chemistry science fair projects for middle school, chemistry science fair projects for 5th grade, chemistry science fair projects for 6th grade, chemistry science fair projects for 7th grade, chemistry science fair projects for 8th grade, chemistry science fair projects for high school, chemistry science fair projects for 9th grade, chemistry science fair projects for 10th grade, chemistry science fair projects for 11th grade, chemistry science fair projects for 12th grade, chemistry science fair projects – college level, award winning chemistry science fair projects.

Here is the list of our science fair projects designed specifically for middle school students to make them learn chemistry with fun!

Chemistry Science Fair Projects For Middle School

  • Finding out the saturation point of the sugar solution
  • Making sugar crystals from water and granulated sugar
  • Creating invisible ink from lemon juice
  • Affect of acid on the corrosion rate
  • Walking water experiment with colors
  • Turning milk into plastic  
  • How to make slime
  • Making a vinegar volcano
  • Eno and water experiment
  • Demonstrating drinking candle
  • UV color-changing slime experiment
  • Creating a magnetic slime
  • Dancing raisin experiment
  • Making popcorn dance
  • Chemical change-Burning of paper  
  • Process of filtration for making water safe for drinking
  • Separating salt and sand from a mixture
  • Creating fizzing bath bombs
  • Reacting sugar with sulphuric acid
  • Putting an egg into a bottle
  • Finding the fabric that can be the best insulator
  • Egg and Toothpaste experiment
  • Finding out which water is hardest and which is softest
  • Demonstrating a chemical reaction producing heat (yeast + hydrogen peroxide)
  • Exploding lunch bag experiment
  • Change of color in iodine
  • Making popping balls out of fruit juice
  • Natural dyed easter eggs
  • Making a lava lamp
  • Create a self-inflating balloon
  • Creating a density rainbow jar
  • Creating dancing rice with vinegar and baking soda
  • Smoking fingers with white phosphorous
  • Making a silver egg
  • Making colored jelly crystals  
  • Electrolysis of water experiment
  • Baking soda heating experiment
  • Softening temporary hard water
  • Acid-base indicator experiment
  • Make Rainbow Rubber Eggs (Naked Egg Experiment)
  • Stimulating acid rain
  • The copper coin experiment
  • Making fruit batteries

Below is a list of our chemistry science fair projects that demands a higher level of thought process and may need adequate safety measures for flawless execution.

Chemistry Science Fair Projects For High School

  • Making elephant toothpaste
  • Instant change of liquid colour with caustic soda, water and glucose
  • Dissolving thermocol in a mixture of petrol water
  • Making homemade snow with sodium polyacrylate,vinegar and water
  • Green flame experiment
  • Distillation of water experiment
  • Creating a pressure bottle rocket
  • Making fingerprints glow
  • 7 layered density column
  • Grow salt crystals at home
  • Make Crystal Egg Shells
  • Comparison of the amount of electrolytes in orange juice vs sports drinks
  • How addition of salt or sugar impact the freezing point of water
  • Create a chemical clock with organic dyes
  • Effect of dye on various fabrics
  • Determining the pH value of tea
  • Turning a colorless liquid into gold
  • Making fog using dry ice
  • Bleeding knife experiment
  • Making a crystal snowflake with borax
  • Making disappearing ink
  • Turning water into blood
  • Paper currency burning experiment
  • Comparing the pH value of milk, vinegar, and orange juice
  • Extracting caffeine from several samples of tea
  • Create a glowing density tower
  • Freezing point depression experiment
  • Determining which one has the highest boiling point
  • Effect of impurities on the freezing point of a liquid
  • Rate of evaporation differs in different liquids
  • Using a black light for detecting invisible spills
  • Finding the percentage of water in orange by evaporation
  • Creating a chemical traffic light
  • Carbon snake experiment with sugar and sulphuric acid
  • Making snakes by burning calcium tablets
  • Testing different water purification techniques
  • Making an electrochemical cell
  • Creating heat-sensitive slime
  • Making crystal wind chimes
  • Instant ice experiment
  • Demonstrating the destructive power of vinegar

Chemistry Science Fair Projects – College Level

  • Mixing Coco-Cola and mentos
  • Ammonia absorbing experiment
  • Testing tap water vs mineral bottled water
  • Proving plastic wrap prevents oxidation
  • Cleaning silver instantly
  • Rainbow of flames using different compounds
  • Burning magnesium in dry ice
  • Mercury beating like a heart
  • Thermite reaction
  • Dancing gummy bear experiment
  • Determination of whether food items are adulterated or not

It is true that some chemistry projects at science fairs are extremely innovative and end up winning awards. Here, have a look at some of such award-winning science fair projects that may inspire and excite you or may instil a newfound love for chemistry.

Award Winning Chemistry Science Fair Projects

  • Removing permanent marker stains from cloths
  • Removing graffiti from wood and metal
  • Finding which one is stronger- plexiglass or glass
  • Creating a biodegradable cleaner
  • Proving ivory soap has air molecules
  • Creating a basic cold pack with salt and water
  • Demonstrating the effect of moisture on crystal growth
  • Heat of reaction (Calorimetry)
  • Determining the hardness of water by soap bubbles
  • Making bioplastic with kitchen materials

Chemistry Science Fair Projects for all grades

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10 Cool Chemistry Experiments

ThoughtCo / Hilary Allison

  • Projects & Experiments
  • Chemical Laws
  • Periodic Table
  • Scientific Method
  • Biochemistry
  • Physical Chemistry
  • Medical Chemistry
  • Chemistry In Everyday Life
  • Famous Chemists
  • Activities for Kids
  • Abbreviations & Acronyms
  • Weather & Climate
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College

Chemistry is king when it comes to making science cool . There are many interesting and fun projects to try, but these 10 awesome chemistry experiments can make anyone enjoy science.

Copper and Nitric Acid

When you place a piece of copper in nitric acid, the Cu 2+ ions and nitrate ions coordinate to color the solution green and then brownish-green. If you dilute the solution, water displaces nitrate ions around the copper and the solution changes to blue.

Hydrogen Peroxide with Potassium Iodide

Affectionately known as elephant toothpaste , the chemical reaction between the peroxide and potassium iodide shoots out a column of foam. If you add food coloring, you can customize the "toothpaste" for holiday-colored themes.

Any Alkali Metal in Water

Any of the alkali metals will react vigorously in water . How vigorously? Sodium burns bright yellow. Potassium burns violet. Lithium burns red. Cesium explodes. Experiment by moving down the alkali metals group of the periodic table. 

Thermite Reaction

The thermite reaction essentially shows what would happen if iron rusted instantly, rather than over time. In other words, it's making metal burn. If the conditions are right, just about any metal will burn. However, the reaction usually is performed by reacting iron oxide with aluminum:

Fe 2 O 3  + 2Al → 2Fe + Al 2 O 3  + heat and light

If you want a truly stunning display, try placing the mixture inside a block of dry ice and then lighting the mixture.

Coloring Fire

 SEAN GLADWELL / Getty Images

 When ions are heated in a flame, electrons become excited, then drop to a lower energy state, emitting photons. The energy of the photons is characteristic of the chemical and corresponds to specific flame colors . It's the basis for the flame test in analytical chemistry, plus it's fun to experiment with different chemicals to see what colors they produce in a fire.

Make Polymer Bouncy Balls

Who doesn't enjoy playing with bouncy balls ? The chemical reaction used to make the balls makes a terrific experiment because you can alter the properties of the balls by changing the ratio of the ingredients.

Make a Lichtenberg Figure

A Lichtenberg figure or "electrical tree" is a record of the path taken by electrons during an electrostatic discharge. It's basically frozen lightning. There are several ways you can make an electrical tree.

Experiment with 'Hot Ice'

Hot Ice is a name given to sodium acetate, a chemical you can make by reacting vinegar and baking soda. A solution of sodium acetate can be supercooled​ so that it will crystallize on command. Heat is evolved when the crystals form, so although it resembles water ice, it's hot.

Barking Dog Experiment

The Barking Dog is the name given to a chemiluminescent reaction between the exothermic reaction between nitrous oxide or nitrogen monoxide and carbon disulfide. The reaction proceeds down a tube, emitting blue light and a characteristic "woof" sound.

Another version of the demonstration involves coating the inside of a clear jug with alcohol and igniting the vapor. The  flame front proceeds down the ​bottle , which also barks.

Dehydration of Sugar

When you react sugar with sulfuric acid , the sugar is violently dehydrated. The result is a growing column of carbon black, heat, and the overwhelming odor of burnt caramel.

  • Exothermic Reaction Examples - Demonstrations to Try
  • 10 Amazing Chemical Reactions
  • 10 Cool Chemistry Demonstrations for Educators
  • How to Make Copper Acetate from Copper
  • Easy Chemistry Experiments to Do at Home
  • Metal Projects That Help You Explore Chemistry
  • Chemistry Experiments With Pennies
  • Understanding Endothermic and Exothermic Reactions
  • Chemistry Vocabulary Terms You Should Know
  • Kid-Friendly Elephant Toothpaste Demo
  • Why Is the Statue of Liberty Green?
  • Activity Series of Metals: Predicting Reactivity
  • Equation for the Reaction Between Baking Soda and Vinegar
  • Get Hot Ice Help
  • Sodium in Water Chemistry Demonstration
  • Common Chemicals and Where to Find Them

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110 Awesome Chemistry Experiments For All Ages

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awesome chemistry experiments for kids

Chemistry experiments are a great way to get kids excited about studying chemistry even at a young age. I mean, what child doesn’t think about creating bubbling potions or sending secret messages?

The study of chemistry has a scary connotation for many people. Chemistry has this stigma of being only for really, really smart students who want a career in the sciences. The truth is that, like all science, chemistry is everywhere.

In fact, chemistry experiments for kids can be bubbly and full of fungi! Check out the video below of our Making Peeps Blow Up a Balloon chemistry activity.

It is in the way water freezes into ice . It is in the way apples turn brown when you leave their flesh exposed to the air. Chemistry is in the way sugar dissolves in water .

How does chemistry apply to our bodies? Check out our version of the egg with vinegar experiment . We added a little twist that makes an excellent connection between chemistry and our dental health. We have a 25+ page printable pack to go with it for just $2.95 .

Showing how chemistry is involved in everyday life can take that scary factor out of studying chemistry for students. When it comes time to study chemistry, they will be more excited about jumping in.

awesome chemistry experiments for all ages

Chemistry Experiments For All Ages

I wanted to create a resource for you to be able to find the perfect chemistry experiments for your students no matter their age or interests. This post contains 100 chemistry experiments for students from preschool age through high school. I have divided them into 3 age ranges.

  • Preschool and Primary
  • Middle and High School

Here are a few disclaimers to my divisions of the experiments.

I realize that all students are different and are ready for different levels of experiments. For instance, some students in the elementary age group might be ready for more advanced experiments found in the Middle and High School section, while others need something more basic like those experiments found in the Preschool and Primary section.

Some may question why I put certain experiments in certain sections. First, I looked at the level of maturity I felt needed to conduct the experiment and if parental help was necessary. Next, I looked at the level of understanding the child would need to learn from the experiment.

Some experiments could teach something at different levels or could be done with parental help or independently and still be successful. When this was the case, I put the experiment in the lowest recommended age level.

With all that being said, these are just guidelines. Feel free to try experiments in sections that differ from your students’ age range if you think they would work.

For chemistry experiments, lesson ideas, and resources, check out my Homeschool Chemistry Pinterest board.

First, download the STEM Resource Guide

We have put together a FREE resource for parents and teachers that includes STEM activities , links to no-cost or low-cost coding, math, engineering, an robotics resources. You’ll find everything from preschool worksheets to high school apprenticeship information. Plus, there are articles to help you get your kids interested in STEM activities or ready for a career in STEM. Our contributors include The STEMKids , a mechanical engineer, and a biologist.

 Preschool Science Experiments

Color Changing Flowers – includes free printable

Make butter! This comes with a free printable lesson that covers a wide range of ages. This is a preschool favorite!

Glow Stick Experiment – this one is especially easy for preschoolers – includes their own little observation sheet and coloring pages

Making Fizzy Moon Rocks (and learning about Moon rocks)

Puffy Paint turned Slime activity (This is also good for older students who are studying polymers.)

Pumpkin Candy Experiment

Dissovling Candy Corn – In this pumpkin and candy-themed printable , your little scientist will enjoying dissolving candy corn (or any candy for that matter) and recording what they observed. Includes three science activities, preschool/kindergarten math resources, and coloring and puzzle pages.

Make Crystal Snowflakes with Borax

Experiment with Yeast and Sugar – Making Peeps Blow Up a Balloon – Includes a free printable pack. Peeps make for interesting chemistry experiments. Whether you use the Peep snowmen or Peep chicks, you can make them blow up a balloon! Includes a free printable pack.

Make Crystals with Borax – This works every time and is exciting to watch throughout a 24-hour period. Obviously, adult supervision is needed when using the Borax, but your littlest scientists can twist their chenille sticks and make their own crazy creations! Plus, stirring the Borax and water will make them feel like real chemists! The activity can be adapted to make snowflake shapes in winter, hearts for Mother’s Day or Valentine’s Day. Flowers for spring or summer.

Baking Soda Fizz Experiment

Another Baking Soda Fizz Experiment

Diet Coke and Mentos Explosion

Dripping Slime Experiment

Lava Lamp Experiment

Rainbow Walking Water

Ice Cream in a Bag

Primary Science Experiments

Make a “Stained Glass” window

6 Experiments with Oranges

Make butter! This comes with a free printable lesson that covers a wide range of ages. This is a family favorite!

Glow Stick Experiment – learn about chemiluminescence, chemical reactions, and kinetic energy. 

Dissolving candy experiment with printables

HOW TO MAKE CRYSTAL SNOWFLAKES WITH BORAX

A fun TWIST on the egg with vinegar experiment. This activity helps children see the chemical reactions that go on in our mouth! Free printable.

EGGVINEGAR 400x338 1

Do Some Soil Testing – This is important life skills information too!

Color Changing Flowers – learn about capillary action in plants

Make Your Own Snowflakes

Polishing Pennies Experiment

apple science experiment

Vitamin C And Apple Experiment

Homemade Butter Experiment

Secret Messages Science Experiment 

120 Kitchen Chemistry & Culinary Science Resources – This is a very comprehensive list. If you want to also get some ideas for teaching your children about chemistry while cooking, this is a good place to look too!

Make Plastic From Milk

Fun Bubbles Experiment

Solubility Experiment

Bending Candy Canes

Experimenting With Viscosity And Sensory Bottles

sudsy bubble experiment

Sudsy Bubble Experiment

Taffy Slime Chemistry

Dissolving Egg Shell Experiment

Make Ice Grow

Skittles Rainbow Science Experiment

Chromatography Butterflies

Erupting Lemon Volcano Chemistry

Make A Lava Lamp

Rock Candy Experiment

Make Heat Changing Color Sensitive Slime

Chemistry experiments are also included on our free science activity calendar

Elementary School Science Experiments

Glow Stick Experiment – learn about chemiluminescence, chemical reactions, and kinetic energy.  The printable is definitely geared towards elementary and middle school

Easy Science Experiments with Oranges – The Homeschool Scientist

Making Fizzy Moon Craters turned out to be a fun chemistry study and a lesson in realy Moon rocks!

Testing for vitamin C with iodine. We used a pumpkin, cranberries, oj, lemons, and more! It’s a lot of fun!

testing for vitamin c with iodine

Oxidation And Reduction Experiment

Make a “Stained Glass” window – a lesson about states of matter and crystallization

Make butter

Making Peeps Candies Blow Up A Balloon – lesson with printable sheets

Add the dental health printable pack we have to go with the egg in vinegar chemistry activity for $2.95

Why do leaves change color in the fall? Experiemnt and worksheets

Make A Polymer Ball

Enzyme Experiment

Red Cabbage Litmus Experiment

Harry Potter Potions Experiment

Peeps Science Experiment

Baking Powder vs. Baking Soda Experiment

Charcoal Water Purifying Experiment

charcoal water purifying experiment

Kitchen Chemistry: Cake Experiment

Polymer Science: Homemade Fruit Gummies

Food Chemistry: Turn Juice Into A Solid

Endothermic Chemical Reactions

Egg Float Science Experiment

Eggshell Geodes Science Experiment

Density Experiment

Forensic Chemistry Experiment

Kitchen Chemistry Experiments

Mentos and Soda Eruption

Make Invisible Ink

Make Quicksand with Engineering Emily and her children

Glow Stick Reactions

Using Lemons To Make Batteries

Make A Potato Battery

Diaper Chemistry

Candle Chemical Reaction

Melting Ice With Salt

Viscosity Experiment

Melting Ice Experiment

Ice Experiments

Chemiluminesence 

Non-Newtonian Fluids

Explore An Unknown Material

Poke but Don’t Soak – a material science activity  from the American Chemistry Society

The Science Of Jello

Kitchen Chemistry – 2 projects

Make Curds And Whey

Making Hot Ice

The Science Behind Edible Glass

STAINED GLASS CANDY POST ART3

Grow A Crystal Garden

Sugary Drinks And Teeth

Big Hero 6 Chemistry Concoctions 

Compare The Electrolytes In Sports Drinks

Measure Glucose In Your Food

charged atoms experiment 2 e1541380611728

Charged Atoms Experiment

Gummy Bears Osmosis Experiment

Milk Polarity Experiment 

Simple Digestion Experiment

Disappearing Color Experiment

Middle and High School Science Experiments

Parents of middle and high school students .

splitting water into hydrogen and oxygen

What Happens to the pH and temperature of a solvent when you add candy corn??

Testing for Vitamin C with Iodine (We used a pumpkin, cranberries, oj, lemons, and more! It’s a lot of fun!)

Peeps Science: Change In Mass Experiment 

Peeps Science Experiment: Blowing Up a Balloon with Peeps

Chemical Reaction Experiment

oxygen and fire

Oxygen And Fire Experiment

Make Poinsettia pH Paper

Make Elephant Toothpaste

Make A Rainbow Of Colored Flames

Make Green Fire Pinecones

Copper Plating Ornaments

Make Colored Fire

chemistrytalk.org has chemistry resources to make chemistry understandable and fun.

Check out ChemistryTalk.org. This is a charity non-profit (all of their content is free) whose mission is to make chemistry fun and easy. They have tutorials, experiments, videos, a podcast, and many resources to help your teen understand and enjoy chemistry.

Make A Black Fire Snake

Three Station Gas Lab

Solubility Of Gases In Water

Salt Formation From Chemical Reactions

Check out ChemistryTalk.org. This is a charity non-profit (all of their content is free) whose mission is to make chemistry fun and easy. They have tutorials, experiments, videos, a podcast, and many resources to help your teen understand and enjoy chemistry

Make A Silver Egg

Water Content Lab

water quality experiment

Water Quality Experiment

Make A Balloon Egg

Separating Sand And Salt

Rate Of Evaporation

Create A Compound Of Two Elements

Melting And Freezing Experiment

Soft Water Experiment

Make Homemade Root Beer

Desalinization Experiment

Need 120 MORE Kitchen Chemistry Experiments and Culinary Science Ideas?

kitchen science1

I hold a master’s degree in child development and early education and am working on a post-baccalaureate in biology. I spent 15 years working for a biotechnology company developing IT systems in DNA testing laboratories across the US. I taught K4 in a private school, homeschooled my children, and have taught on the mission field in southern Asia. For 4 years, I served on our state’s FIRST Lego League tournament Board and served as the Judging Director.  I own thehomeschoolscientist and also write a regular science column for Homeschooling Today Magazine. You’ll also find my writings on the CTCMath blog. Through this site, I have authored over 50 math and science resources.

+1 (603) 932 7897

[email protected].

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21 Unique Science Projects for High School Students

  • Last modified 2023-10-31
  • Published on 2023-10-31

science projects for high school chemistry

Whether you’re leading a group science project or working independently to pursue your own scientific interests , we brainstormed to create the most unique list of science project ideas for high school students. Discover fresh, cool science project ideas that you’ve never seen before! In addition, we’ve added some bonus material to walk you through how to do research for your project, and write a report in a fun and engaging way that will all but guarantee that ticket ends up in your hands!

What should you include in your high school science project?

Science teachers hold students ages 14-18 to a much higher standard when grading science projects. High schoolers must demonstrate a solid understanding of the scientific method and reflect current guidelines in the Science, Technology, Engineering, and Mathematics (STEM) industry. Students’ science projects must also demonstrate their curiosity and eagerness to explore new and complicated scientific concepts.

Structure your science project neatly in sections, and make sure you include all necessary components: Purpose, Background Information, Scientific Question, Hypothesis, Materials, Procedures, Results, Conclusion, Works Cited/Bibliography. When editing your science project, some questions to ask yourself are:

  • Are my steps clear enough for someone to easily replicate my results?
  • Do I have tables and graphs to illustrate the collected data? Are they easy to read?
  • How original is my idea compared to other high school science projects?
  • How can I present my science project in a clear way to ensure my audience understands the complicated scientific concepts?

Science Project Ideas for Each Subject

In high school, students typically take Biology, Chemistry, and Physics in chronological order from 9th to 11th grade. 12th graders can choose which science subject they performed best in, and take an AP science class in that subject for a challenge and to college credit. Depending on their school’s science class offerings, high school seniors can also take more focused science classes such as AP Environmental Science, AP Psychology, AP Human Geography, or AP Computer Science. Learn more about the differences between each subject .

With so many intriguing science project ideas for high school students, it can be difficult to choose a project that’s best for you. When reading through this list, pay attention to which ideas strike your interest. Do they relate to something your teacher mentioned in class? Is it a science project you’ve always been curious about? Would you want to study this topic as your college major? Will this science project be helpful in your portfolio when applying for your dream university?

When you find a science project idea that appeals to you, the best way to approach the topic is to do background research. Look up some keywords from the description in research journal databases, such as The Concord Review and Journal of High School Science. These 12 research journals are easier to read and more suitable for high schoolers because the papers are all written by other high school students.

Biology Science Projects

  • Explore gene editing and its possibilities by creating genetically modified organisms or treating genetic disorders.
  • Discover why people get seasonal allergies and which biological differences make some people more prone to allergic reactions than others.
  • Research an invasive species that was recently introduced in your community, and predict its impact on native species.

If you’re curious to learn more about biology, consider taking an AP Biology class at your high school. Or, if you’re just getting started, check out an online class on the foundations of biology .

Chemistry Science Projects

  • Test how effective Advil (ibuprofen) is compared to Tylenol (acetaminophen) when dealing with different symptoms and illnesses.
  • Examine the chemical anatomy of different artificial food dyes or other additives, and compare their effects on our health.
  • Develop a skincare product that’s safe to use.

Do these science project ideas sound interesting to you? Consider taking an online chemistry course to learn more about your scientific interests and get ahead of the game!

Physics Science Projects

  • Explore the popular yet controversial topic of how one electron can be in two places at once.
  • Determine the differences between the two atomic bombs the U.S. used in World War 2.
  • Uncover the differences in safety features between a gas engine car and an electric car when rapidly decelerating from a high speed.

Environmental Science Projects

  • Compare the water pollution levels in your town and a neighboring town to determine what factors might be causing higher pollution levels. Propose a social change initiative to lower water pollution.
  • Conduct a study on your school’s recycling habits. How can the current system be made more efficient? How much recycling ends up as unusable waste in landfills?
  • Investigate solutions to cleaning up oil spills. What is the most effective method?

In most cases, studying Environmental Science requires a solid understanding of Biology, since these subjects overlap. If you’re interested in both subjects, you might want to consider studying them in college. Before then, it’s essential to understand the differences between Environmental Science and Biology; so, choose the right AP course and earn college credit toward your future major.

Psychology Science Projects

  • Compare and contrast the effectiveness of medicine versus hallucinogenic plants for different illnesses. Why might some people prefer alternative medicine over traditional medicine?
  • Dive into how cultural or socio-economic factors may contribute to someone’s belief in conspiracy theories and political extremism on social media.
  • Research the effects of college admissions on self-esteem and long-term life satisfaction.

Need more ideas? Check out some more psychology research topics to find the best science project for you.

Human Geography Science Projects

  • Design a more sustainable urban development plan for your city. How could your city be remapped?
  • Analyze the impact of farmers’ markets on people’s relationship to food and healthy eating habits.
  • Uncover some key reasons behind the rapid spread of COVID-19 across the world.

As one of the more directly applicable sciences, human geography science projects delve into more practical topics. If these topics interest you, AP Human Geography might be a great class for you to take!

Computer Science Projects

  • Design a therapy Chatbot to help users practice simple exercises for boosting mental health, such as gratitude journaling.
  • Analyze the relationship between mental health disorders in younger generations and the rise of social media using data visualization tools.
  • Code an interactive experience for an emotional support robot dog.

Thinking about taking your computer science skills to the next level? Try testing out your skills with AP Computer Science .

Presenting your Science Project in a High School Classroom

People tend to think that science projects are about writing science reports and long research papers. However, there are more engaging ways to showcase your scientific discoveries and have fun along the way!

Write a Blog High school students can exercise their creative muscles by starting a science blog. Students can research current events in science and write posts about recent scientific developments in the STEM industry. Not sure how to get started? Here are some tips on how to create a blog .

Make a Board Game Another fun idea to present a science project is to make a board game. As players progress across the board, they can learn about your research questions, hypothesis, variables, and what you discovered in your science experiment.

Add Kahoot to Your Slides If part of your assignment is to make PowerPoint slides, make your presentation slides more interactive and engaging by adding a game of Kahoot . Kahoot is a website that lets you make a fun quiz to share with your classmates. You can add the game to the end of your presentation to quiz them on what they learned from your science project. Prepare a small prize for whoever gets the most correct answers!

Make a Model for a Live Demonstration Consider whether or not your experiment can be replicated through a model in time, which is by far the best way to grab your audience’s attention. Even if your whole experiment can’t be built into a model, make part of it to help your classmates understand a difficult scientific concept.

How to Write a Scientific Research Paper

Next steps – share your science projects.

Want to take your science project to the next level? There are countless ways for high school students interested in science to get involved outside of class . The best way to get your innovative science project out into the world is through competitions and fairs. Check out these 11 STEM competitions for high school students that you can enter!

An impressive, creative, and well-documented science project can help with college admissions and with pursuing a career in medicine , or other scientific fields. Follow the steps outlined above to structure your science project in an organized, coherent fashion. When you’re ready, take your science project to STEM competitions and boost your chances of getting into your dream college!

Further Your Science Passion with Aralia Education

Aralia is well-equipped to help high school students with their science projects. Aralia offers a diverse range of science classes designed to ignite students’ curiosity and deepen their understanding of the world around them. From introductory courses to advanced topics, our expert instructors provide engaging and comprehensive instruction, empowering students to excel in the field of science. If you ever need help anywhere along the way, don’t hesitate to reach out to us!

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Chemistry Projects

Check out these fun chemistry science projects! Chemical reactions happen around us all the time; whether we’re cooking or cleaning or digesting our food! With these chemistry projects, you’ll be able to experiment with color-changing chemicals, test the nutrients of different food substances, grow crystals, make invisible ink, and much more. Chemistry is about identifying substances and investigating how their properties interact, combine and change! From slime to elephant toothpaste and more, explore hundreds of projects and lessons about the matter all around us.

science projects for high school chemistry

Fun & Easy Science Activities Your Kids Will Love!

10 Science Experiments to Do This Year Home Science Tools

Take your next fireworks or light show to the next level with DIY fireworks (or rainbow) glasses made from diffraction grating.

m&ms for candy chromatography science project

Observe Change

Chemistry is about identifying substances and investigating how their properties interact, combine and change!  From slime to elephant toothpaste and more, explore hundreds of projects and lessons about the matter all around us.

Science Fair Projects (Chemistry) | High School 9th, 10th, 11th, 12th Grade

science projects for high school chemistry

Products in this Bundle (20)

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Description

Spark Curiosity and Ignite Innovation: Elevate Your High School Science Fair with Winning Chemistry Projects!

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  • Artificial limbs and implants using polymers and chemical reactions.
  • Recycled materials in safe and effective airplane construction.
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    Try this experiment to see how chemistry can keep fresh fruit from turning brown. Chemistry Science Fair Projects. Get ideas for your own chemistry science fair project: experiment with dissolving egg shells, create reacting mixtures, conduct pH tests, and more. Discover the science of crystals and grow two different types of beautiful crystals!

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  18. 21 Unique Science Projects For High School Students

    In high school, students typically take Biology, Chemistry, and Physics in chronological order from 9th to 11th grade. 12th graders can choose which science subject they performed best in, and take an AP science class in that subject for a challenge and to college credit.

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  21. Chemistry Projects

    Check out these fun chemistry science projects! Chemical reactions happen around us all the time; whether we're cooking or cleaning or digesting our food! With these chemistry projects, you'll be able to experiment with color-changing chemicals, test the nutrients of different food substances, grow crystals, make invisible ink, and much more.

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