Chemistry Fibre to Fabric Part 8 (Question) Class 7 VII | Summary and Q&A

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December 3, 2015
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Chemistry Fibre to Fabric Part 8 (Question) Class 7 VII

TL;DR

This video discusses the process of obtaining wool and silk from animals, covering topics such as rearing, shearing, and the life cycle of silk worms.

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Questions & Answers

Q: Which parts of the black sheep have wool?

The wool is found on the outermost covering of the sheep, which is the skin. The entire body is covered in woolly hair.

Q: How do we get wool from sheep?

Wool is obtained by shearing the woolly covering of sheep. This process involves removing the wool along with a thin layer of skin, which does not harm the sheep.

Q: What is meant by white fleece?

White fleece refers to the woolly covering of a lamb. It is the hair or fur of the lamb, which is used to make textiles and other woolen products.

Q: Is a silk worm a caterpillar?

Yes, a silk worm is a caterpillar. It is also considered a larva, which is a stage in the life cycle of a silk moth. The silk worm hatches from eggs and later forms a cocoon to produce silk.

Summary & Key Takeaways

  • The video explains that the outermost covering of a black sheep is called wool, which is obtained from the skin of the animal.

  • It states that fleece is the woolly covering of a lamb and that it is used to make various products.

  • The video also explores the life cycle of silk worms, from being caterpillars to forming cocoons and producing silk.

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