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Give reason for each of the following

. - 1 Salt is a solid matter

. Because it has definite shape and volume

2 - Oil is a liquid matter

Because It has a definite volume and indefinite shape
3 - Air is a gaseous matter

Because It has indefinite shape and volume

4-The appearance of water droplets on the cars and leaves

h t n i e Early Morning .
Because the water vapour in the air condenses on cold surfaces forming

water droplets.

.

5 - The glass which is put in the freezer shouldn’t be full of water .

Because the volume of ice is bigger than the volume of water, so the

bottle will explode.

6 - The amount of water keeps decreased as long as you are

heating .

Because It changes into vapour.

Questions on lesson 2

Complete the following statements:

1 – In the ………………………………. Matter , volume and shape doesn't

Change.

2-– States of matter are …………………….

,……………... and …………………………..

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