science worksheet for class 7 fibre to fabric

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Fibre to Fabric worksheet...

Fibre to Fabric worksheet for class 6

CBSE worksheets for Fibre to Fabric worksheet for class 6 in PDF for free download. Science worksheets for class 6 CBSE includes worksheets on Fibre to Fabric as per NCERT syllabus. CBSE class 6 worksheets as PDF for free download Fibre to Fabric worksheets. Users can download and print the worksheets on class 6 Science Fibre to Fabric for free.

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HISTORY OF CLOTHING MATERIAL

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NCERT class 6 Science Solved Worksheets

CBSE Worksheets for class 6 Science in PDF

Have you ever wondered what materials people used in ancient times for clothes? It appears that in those times people used the bark and big leaves of trees or animal skins and furs to cover themselves.

After people began to settle in agricultural communities, they learnt to weave twigs and grass into mats and baskets. Vines, animal fleece or hair were twisted together into long strands. These were woven into fabrics. The early Indians wore fabrics made out of cotton that grew in the regions near the river Ganga

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science worksheet for class 7 fibre to fabric

Very Short Question Answers: Fibre to Fabric | Science Class 7

Very Short Q & A :

Q1: Wool is obtained from __________________ of sheep or yak.

Ans : Fleece

Q2: Silk fibres are obtained from cocoons of _________________.

Ans : Silk moth

Q3: Name some animals which provide us with wool.

Ans : Sheep, goat yak etc.

Q4: Yak wool is common in

c. Both a and b

d. None of these.

Ans : Both a and b.

Q5: Name the place where Angora goats are found in plenty.

Ans : Hilly region like Jammu and Kashmir.

Q6: Name some Indian breed of sheep.

Ans : Lohi, Rampur, bushair, Nali, Bakharwal , Marwari and Patanwadi

Q7: Kashmiri goat's under fur is woven to form fine shawls called __________________.

Ans : Pashmina shawls

Q8: The fur on the body of camel is also used as wool .True/False.

Ans : True

Q9: Which parts of the black sheep have wool?

Ans : The hairy skin called fleece have wool in black sheep

Q10: Name the protein which is the chief component of wool fibres.

Ans : Keratin is the chief component of wool fibres

Q11: Name the process involved in getting fibres form the sheep.

Ans : The sheep's hair are Sheared off from its body, scoured, sorted, dried, dyed, spun and woven to yield wool.

Q12: Define sericulture.

Ans : The rearing breeding and management of silkworms for obtaining silk is called sericulture.

Q13: Caterpillars should be collected from bare hand or not?

Ans : No

Q14: Name the country which is the largest producer of silk.

Ans : China

Q15: Silk is a good conductor of heat or poor conductor of heat?

Ans : Poor

Q16: What is yarn?

Ans : Yarn is a long continuous thread that is made up of fibre.

Q17: ______________is a dried perspiration found in raw wool.

Ans : Suint

Q18: What is ginning?

Ans : The process of removing seed from cotton called ginning.

Q19: Spinning is a process of making fibers. True/False.

Ans : False

Q20: Weaving yarn makes a piece of fabric. True/False

Q21: Polyester is a natural fibre. True/False.

Ans : False

Q22: Name a strongest variety of silk.

Ans : Mooga

Q23: Define weaving.

Ans : Weaving is the process of arranging two sets of yarns together to make a fabric.

Q24: Define spinning.

Ans : The process of making yarn from fibres is called spinning.

Q25: Name the most common silk moth.

Ans : Mulberry silk moth.

Q26: Name some varieties of silk.

Ans : Mulberry silk, tassar silk, eri silk, Mooga silk etc.

Q27: ______________ weaves silk threads into silk cloth.

Ans : Weaver

Q28: What do you mean by cocoon?

Ans : Caterpillar in its later stage of development completely covers itself by silk fibres and turns into pupa. This covering is known as cocoon.

Q29: Name two animals of South America that yields wool.

Ans : Llama and Alpaca.

Q30: Which of the following does not yield wool?

c. Woolly dog

Ans : Woolly dog

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Document Description: Very Short Question Answers: Fibre to Fabric for Class 7 2023 is part of Science Class 7 preparation. The notes and questions for Very Short Question Answers: Fibre to Fabric have been prepared according to the Class 7 exam syllabus. Information about Very Short Question Answers: Fibre to Fabric covers topics like and Very Short Question Answers: Fibre to Fabric Example, for Class 7 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Very Short Question Answers: Fibre to Fabric.

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Worksheets for Class 6 Science

Chapter 3 - fibre to fabric worksheet for class 6 science.

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Academic team of Physics Wallah uploaded Important questions & worksheet for class 6 science Chapter 3 - Fibre to Fabric . All pdf sheet consists of different type of questions asked in school exam like one mark , two marks , five marks and each question are explained with step by step solution . Chapter 3 - Fibre to Fabric class 6 science is important chapter for your exam .Before solving Chapter 3 - Fibre to Fabric of class 6 science read the theory part of chapter from your textbook , do not jump to solution of Chapter 3 - Fibre to Fabric try to write the answer by yourself and use solutions as reference .

Download the free Pdf of worksheet and important questions of class 6 science Chapter 3 - Fibre to Fabric from the below mentioned pdf

Chapter 3 - Fibre to Fabric worksheet for class 6 science

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Grade 6 Fibre to Fabric Worksheets

A. Classify the following fibres as natural or synthetic:

1. Nylon …………… 2. Wool ……………. 3. Cotton ………….. 4. Silk ……………… 5. Polyester ……………… 6. Jute ……………….

B. State True or False:

1. Yarn is made from fibres. ………………… 2. Spinning is a process of making fibres. ……………… 3. Jute is the outer covering of coconut. …………….. 4. The process of removing seeds from cotton is called ginning. ……………… 5. Weaving of yarn makes a piece of fabric. ……………….. 6. Silk fibre is obtained from the stem of a plant. ……………….. 7. Polyester is a natural fibre. ………………..

C. Fill In The Blanks:

1. Plant fibres are obtained from ……………… and …………………. . 2. Animal fibres are ………………. and …………………. . 3. Jute requires ………………… soil for cultivation. 4. …………………. is used for making gunny bags. 5. Clothes made of synthetic fibres burn …………………….. .

D. Answer the following questions in short:

1. From which parts of the plant cotton and jute are obtained? 2. Name two items that are made from coconut fibre. 3. Explain the process of making yarn from fibre. 4. Distinguish between natural and synthetic fibres. 5. What do you understand by knitting? 6. Why are cotton clothes preferred in summer compared to synthetic clothes?

E. Tick (✓) the Correct Option:

1. A silkworm lives on leaves of ……………….. (a) mulberry plant (b) mango plant (c) palm plant (d) strawberry plant

2. Which country is the birth place of silk? (a) India (b) China (c) USA (d) Australia

3. Which of the following is a synthetic fibre? (a) Nylon (b) Polyester (c) Terelene (d) All of these

4. Which of the following grows best in a black soil and warm climate? (a) Cotton (b) Flax (c) Jute (d) Coconut

5. The hand-operated machines used to weave cloth are called: (a) mills (b) powerlooms (c) handlooms (d) gins

F. Match the following:

G. Name and explain the given process.

CBSE Class 6 Science Fibre To Fabric Worksheets 1

H. Science Puzzle:

There is a magic box. Find out the answer of given questions by moving your scale from left to right or up to down or diagonally.

CBSE Class 6 Science Fibre To Fabric Worksheets 2

I. India has been a major producer of cotton and its fabric. India exports cotton fabrics and items to many other countries. Find out, how it helps us.

J. DO you know that famous Sufi Saint and poet Kabir, was a weaver? Find out about his life and teachings.

Worksheets for Class 6 Science

Fibre to Fabric Class 7 Extra Questions and Answers Science Chapter 3

Check the below Online Education NCERT MCQ Questions for Fibre to Fabric Class 7 Extra Questions and Answers Science Chapter 3 Pdf free download. https://ncertmcq.com/extra-questions-for-class-7-science/

Online Education for Class 7 Science Chapter 3 Extra Questions and Answers Fibre to Fabric

Fibre To Fabric Class 7 Questions And Answers Question 1. Name three animals that yield wool. Answer: Sheep, goat, yak.

Fibre To Fabric Class 7 Extra Questions And Answers Question 2. In which areas are yaks found in plenty? Answer: Tibet and Ladakh.

Class 7 Science Chapter 3 Extra Question Answer Question 3. Which animal provides Pashmina shawls? Answer: Kashmiri goat.

Ncert Solutions For Class 7 Science Chapter 3 Extra Questions Question 4. What is the diet of sheep? Answer: Grass, leaves, mixture of pulses, corn, jowar, oil cakes and minerals.

Class 7 Science Chapter 3 Extra Questions Question 5. In which season sheep are sheared? Answer: Summer.

Class 7 Fibre To Fabric Extra Questions Question 6. What are burrs? Answer: Small fluffy fibres found in hair of sheep are called burrs.

Ncert Class 7 Science Chapter 3 Extra Questions Question 7. What are silkworms? Answer: Larvae of silk moth are called silkworms.

Fibre To Fabric Class 7 Worksheet With Answers Question 8. Name one disease that occurs in sheep. Answer: Anthrax. It is a fatal blood disease.

Class 7 Science Ch 3 Extra Questions Question 9. What is cocoon? Answer: For pupa stage, the caterpillar completely covers itself by silk fibres. This covering is known as cocoon.

Class 7 Chapter 3 Science Extra Questions Question 10. What is the most common silk moth? Answer: Mulberry silk moth.

Fibre To Fabric Class 7 Questions And Answers Pdf Question 11. What is selective breeding? Answer: The process of selecting parents for obtaining special characters in their offspring is termed ‘selective breeding’.

Fibre To Fabric Class 7 Extra Questions Question 12. Write about the food of sheep. Answer: Apart from grazing sheep, rearers also feed them on a mixture of pulses, corn, jowar, oil cakes (material left after taking out oil from seeds) and minerals. In winter, sheep are kept indoors and fed on leaves, grain and dry fodder.

Questions On Fibre To Fabric Class 7 Question 13. How is reeling of silk done? Answer: Reeling is done with special machines, which unwind the threads or fibres of silk from the cocoon. Silk fibres are then spun into silk threads.

Extra Questions Of Fibre To Fabric Class 7 Question 14. How is shearing of wool done? Answer: Machines similar to those used by barbers are used to shave off hair. Usually, hair are removed during the hot weather. This enables sheep to survive without their protective coat of hair. The hair provide woollen fibres. Woollen fibres are then processed to obtain woollen yarn. Shearing does not hurt the sheep because uppermost layers of skin is dead.

Class 7 Science Fibre To Fabric Extra Questions Question 15. How is silk processed? Answer: A pile of cocoons is used for obtaining silk fibres. The cocoons are kept under the sun or boiled or exposed to steam. The silk fibres are separate out. The process of taking out threads from the cocoon for use as silk is called reeling the silk. Reeling is done in special machines, which unwind the threads or fibres of silk from the cocoon. Silk fibres are then spun into silk threads, which are woven into silk cloth by weavers.

Chapter 3 Science Class 7 Extra Questions Question 16. How is woollen cloth made after scouring hair of sheep? Answer: After scouring, sorting is done. The hairy skin is sent to a factory where hair of different textures are separated or sorted. The small fluffy fibres, called burrs, are picked out from the hair. The fibres are scoured again and dried. This is the wool ready to be drawn into fibres.

The fibres can be dyed in various colours, as the natural fleece of sheep and goats is black, brown or white. The fibres are straightened, combed and rolled into yarn. The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woollen cloth.

Fibre To Fabric Extra Questions Class 7 Question 17. Describe the life history of silk moth. Answer: The female silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms.

Fiber To Fabric Class 7 Questions And Answers

Class 7th Science Chapter 3 Extra Questions Question 19. How is rearing of silkworms done? Answer: A female silk moth lays hundreds of eggs at a time. The eggs are stored carefully on strips of cloth or paper and sold to silkworm farmers.

Extra Questions On Fibre To Fabric Class 7 Question 20. Boojho is wondering why it hurts when someone pulls his hair but not when he goes for a haircut? Answer: When someone pulls our hair, it hurts because its root is connected to the skin which has sensation. But, during haircut, the tip of the hair is cut which is dead and does not have any sensation. So, hair-cut does not hurt.

Question 21. Boojho is wondering why a cotton garment cannot keep us as warm in winter as a woollen sweater does? Answer: Cotton clothes are thin and do not trap air tool is thicker than cotton and have spaces in which air traps. Air is a poor conductor of heat and so it prevent heat coming out of our body. So, woo’ provides better warmth than cotton.

Question 22. What is meant by the following terms? (i) Rearing (ii) Shearing (iii) Sericulture Answer: (i) Rearing: The bringing up and looking after the livestock and other animals for our commercial benefit is known as rearing. (ii) Shearing: To obtain wool, the fleece of the sheep along with a thin layer of skin is removed from its body. This process is called shearing. (iii) Sericulture: The rearing of silkworms for obtaining silk is called sericulture.

Question 23. Paheli wanted to buy a silk frock and went to the market with her mother. There they found that the artificial (synthetic) silk was much cheaper and wanted to know why. Do you know why? Find out. Answer: The cost of production for artificial silk is very low. The materials used for artificial silk are available at very low cost and are available in huge quantities. Also, the production time is very less. So artificial silk is cheaper.

Multiple Choice Questions

1. Which of the following statements is true? (i) The hair on our body is coarser than the hair on our head. (ii) The hair on our body is softer than the hair on our head. (iii) The softness of both types of hair mentioned above is the same. (iv) The coarseness of both types of hair mentioned above is the same. Answer: (ii) The hair on our body is softer than the hair on our head.

2. Which of the following animals is used to obtain wool? (i) Cow (ii) Buffalo (iii) Goat (iv) Bear. Answer: (iii) Goat.

3. Angora goats are found in : (i) Assam (ii) Haryana (iii) Jammu and Kashmir (iv) Rajasthan Answer: (iii) Jammu and Kashmir.

4. Yak is common in : (i) Madhya Pradesh (ii) Jammu (iii) Assam (iv) Ladakh. Answer: (iv) Ladakh.

5. Which of the following animals, found in South America is used for obtaining wool? (i) Angora goats (ii) Llama (iii) Yak (iv) Pashmina. Answer: (ii) Llama.

6. Silk fibres are made up of : (i) protein (ii) carbohydrate (iii) fat (iv) starch. Answer: (i) protein.

7. Which of the following is a type of silk? (i) Moth (ii) Llama (iii) Tassar (iv) Alpaca Answer: (iii) Tassar.

8. A boy burnt a thread each of wool, pure Silk and artificial silk. The smell of burning wool was same as of pure silk but different from artificial silk. Can you explain why? (i) It is because wool is also as soft as pure silk. (ii) It is because wool and pure silk are natural products. (iii) It is because both wool and pure silk burns slowly while the artificial silk burns quickly. (iv) It is because both wool and pure silk are made up of thin fibres. Answer: (ii) It is because wool and pure silk are natural products.

9. The larvae of silk moth are called as : (i) pupa (ii) cocoon (iii) caterpillars (iv)mulberry Answer: (iii) caterpillars.

10. The covering of caterpillar by silk fibres is called as : (i) moth (ii) pupa (iii) mulberry (iv) cocoon. Answer: (iv) cocoon.

11. The larvae of silk moth grow on the leaves of : (i) mango trees (ii) mulberry trees (iii) pipal trees (iv) banyan trees. Answer: (ii) mulberry trees.

12. Which of the following correctly describes the life cycle of silkworms? (i) Silkmoth → eggs → pupa caterpillars → silk moth. (ii) Silkmoth eggs → cocoon → caterpillars → silk moth. (iii) Silkmoth → eggs → caterpillars → pupa silk moth. (iv) Silkmoth → eggs → pupa → silkworms → cocoon → silk moth. Answer: (iii) Silkmoth → eggs → caterpillars → pupa silk moth.

13. The rearing of silkworms for obtaining silk is called : (i) silk culture (ii) silky culture (iii) sericulture (iv) moth culture. Answer: (iii) sericulture.

14. The most common silk moth is : (i) tassar silk moth (ii) eri silk moth (iii) mooga silk moth (iv) mulberry silk moth Answer: (iv) mulberry silk moth.

→ Cocoon: The covering that caterpillar makes around itself by silk fibre when it turns to pupa is called cocoon.

→ Flcccc: Hair of sheep or yak which are used to make wool is known as fleece.

→ Reeling: The process of taking out threads from the cocoon for use as silk is called reeling the silk.

→ Scouring: The process by which the sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt is called scouring.

→ Sericulture: The rearing of silkworms for obtaining silk is called sericulture.

→ Shearing: The fleece of the sheep along with a thin layer of skin is removed from its body. This process is called shearing.

→ Silkmoth: The insect that gives silk is called silk moth.

→ Silkworms: The female silk moth lays eggs from which hatch larvae which are called caterpillars or silkworms.

→ Sorting: The process in which wools of different textures are separated is called sorting.

Extra Questions for Class 7 Science

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Class 7 Science Chapter 3: Fibre to Fabric Worksheet
Which of the following makes silk fibres –. (d) Name two fibres which are made up of protein? The fibres A and B are animal fibres whereas is C and D are plants fibres. The fibres C is used for filling quilts
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CBSE worksheets for Fibre to Fabric worksheet for class 6 in PDF for free download. Science worksheets on Fibre to Fabric as per NCERT syllabus
Very Short Question Answers: Fibre to Fabric Notes
Document Description: Very Short Question Answers: Fibre to Fabric for Class 7 2022 is part of Science Class 7 preparation. The notes and questions for Very Short Question Answers: Fibre to Fabric have been
class 6 science worksheets Chapter 3
Download the free Pdf of worksheet and important questions of class 6 science Chapter 3 - Fibre to Fabric from the below mentioned popoff
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Classify the following fibres as natural or synthetic: 1. Nylon ……… B. State True or False: 1. Yarn is made from fibres. ……… … 2. Spinning is a process of making fibres. ………
Fibre to Fabric Class 7 Extra Questions and Answers Science Chapter 3
Online Education for Class 7 Science Chapter 3 Extra Questions and Answers Fibre to Fabric. Fibre To Fabric Class 7 Extra Questions And Answers Question 2. Silk fibres are then spun into silk threads