Fibre to Fabric Class 7 Worksheet Science

Q.1. True/False
(i) The fur (hair) on the body of camels is also used as wool. 
(ii) Caterpillars should be collected with bare hands. 
(iii) Weavers weave silk threads into silk cloth. 
(iv) For obtaining silk, moths are reared and their cocoons are collected to get silk threads.
(v) A female silk moth lays one egg at a time.

Q.2. Fill in the blanks.
(i) Wool is obtained from the ____ of sheep or yak.
(ii) Silk fibres come from ____ of the silk moth.
(iii) Yak wool is common in ____ and ____.
(iv) Silk fibres are made of a ____.
(v) ____ and ____, found in South America, also yield wool.

Q.3. What is meant by the white fleece of the lamb?

Q.4. What is the scientific name of mulberry?

Q.5. Name some animals which give us wool.

Q.6. Is silk a good conductor of heat?

Q.7. Name some Indian breed of sheep.

Q.8. Define spinning.

Q.9. What do you understand by wool?

Q.10. Which leads the world in silk production?

Q.11. What do you mean by yarn?

Q.12. What are the different types of silk?

Q.13. What is the most common silk moth?

Q.14. What do you mean by occupational hazards?

Q.15. Where does angora wool come from?

Q.16. What is weaving?

Q.17. What is called reeling the silk?

Q.18. What is cocoon?

Q.19. What are silkworms?

Q.20. What is Rearing?

You can access the solutions to this worksheet here.