WORKSHEET, CH 3(FIBER TO FABRIC), Class 7

Dear students, complete the following worksheet on daily basis (DATE WISE)

30/4/2020:
1. Name two types of natural fibers.
2. Give any two example of plant and animal fibers each.
3. We obtain silk fibers from............
4.  The hairy skin of the sheep has two types of fibers that form its fleece:
      (a).................                 (b).............
5. Name different animals from which we can obtain wool and the regions where they are found.
6. Define selective breeding.


1/5/2020:
1. Apart from grazing sheep, rearers also feed them on a mixture of ........., ............, .............., .............. and................
2. Name any three breeds of sheep.
3. Name 6 steps that are involved in processing of fibers into wool.
4. Define SHEARING, SCOURING and SORTING.
5. What is an occupational hazard?

2/5/3020
1. What is sericulture?
2. Name the different stages of the life cycle of silk moth.
3. Silk fibre are made up of..................
4. The most common silk moth is the................
5. For obtaining silk, moths are reared and their cocoons are collected to get silk threads. Explain the process in detail. (LONG ANSWER TYPE QUESTION)