Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.

Down

(D)

1. Thorough washing

2. Animal fibre

3. Long thread like structure

Across

(A)

1. Keeps warm

2. Its leaves are eaten by silkworms

3. Hatches from egg of moth

Explain the phrase – “Unity is Strength” on the basis of the making of fabric from fibre.

Boojho wants to know why caterpillars need to shed their skin when they grow bigger but we humans do not.

Do you have any idea?

Paheli wants to know the maximum length of continuous silk thread that can be obtained from a cocoon.

Find out for her.

Boojho wants to know why caterpillars should not be collected with bare hands. Can you help him?

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.

Some words related with silk are jumbled up. Write them in their correct form.

(a) TURECULRISE

(b) WILSMORK

(c) BELMURRY

(d) RINGLEE

Silk fibre is obtained from

Which of the following is not a type of silk?

The rearing of silkworms for obtaining silk is called

Reeling of silk is