Question

i 21
Class 7
wool
mylone wool filen
Angel kids international School
subject science worksheet lesson 3,4,5
1. Cashmere wool is also known as Pashmina on pashim
2. Alpaca is a species of campel
3.Silk was first discovered in chera
4 Sheep are the major wool-yielding animals. -
5. The fibre which has curls and gives a spongy feel is
6. The correct way of making a solution of acid in water is to
month.
7. The finest wool is obtained from the
8. The fibre which burns with the odour of burnt hair is
9. Mohair is a source of ___
10. The smoothest and finest of all fibre is
11.__ are mostly found in the mountains of China and Tibet.
12. China rose indicator turns
_solution to dark
pink and
solution to green
13. The use of chemical dyes in wood industry can lead to irritation of
14.In —> stage of a Silk moth is also called a Caterpillar.
15. A silkworm that feeds on Mulberry leaves gives
16. Thermal energy flows between objects due to difference in
17. When a liquid is heated it-
18. Convection current gives rise to -
19.Dark colours are of heat.
20. The degree of hotness or coldness in a substance is called
21.____ is a conductor of heat.
22. The thermos flask is made up of double walled glass vessels becaus​

Answer 1

Answer:

Camel

China

Sheep

Wool

Nylon

Merino sheep

Silk

Angora Goat

Silk

Kashmiri

Summer

Answer 2

Answer:

camel

china

sheep

wool

nylon

merino sheep

silk

Angora goat

silk

kashmiri

summer