Question

GLOBAL INDIAN INTERNATIONAL SCHOOL- ABU DHABI
CHEMISTRY WORKSHEET
Grade 7
CHAPTER: FIBRE TO FABRIC

Q1. Fill in the blanks:
a. The removal of wool from a sheep is called…………………...
b. ………………………………… is the management and breeding of silkworms for the production of silk.
c. The filaments are taken out from the cocoon by the process called………………………..
d. The filaments secreted by the silkworms are made of………………………………….
Q2.Match the pairs:

Q3. Give two examples for each of the following:
a. Animal fibers ……………………………………………………………………………………….

b. Camel that gives us wool ……………………………………………………………………………………….

c. Goats that gives us wool ……………………………………………………………………………………….

d. Types of silk ……………………………………………………………………………………….



Q4.Answer the following.
1. Where angora goats found in India?
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. What do you mean by shearing and how it is done? ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
3. Draw a sketch showing the life stages of silk moth.









Q5.EXTRAS!!!!
1. Describe briefly how silkworms are reared? ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................



2. What are the main hazards of wool industry? ...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
3. What is SILK ROUTE?
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

Answer 1

1)

a. sheep shearing

b. breeding silkworms (as per google)