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8. They have definite volume and shape

9. the change of matter from liquid to gas by heating

10. the state of matter that has indefinite volume and shape

11. the change of matter from liquid to solid by cooling

12. changing of water vapor into water when it touches cold
surface

Give reason for each of the following :

1-Salt is a solid matter.
Bec.it has definite shape and volume.

2-Air is a gaseous matter.
Bec.it has indefinite shape and volume

3-oil is liquid.

Bec.it has indefinite shape and definite volume

4-Milk takes the shape of its container, but it has a definite

volume.
Bec. it's a liquid

5-Wood has a definite shape and volume.

Bec. it's a solid

6-Air has an indefinite shape and volume.

Bec. it's a gas

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