Particles Name: ……………………………………………… ……… Class:.…..…………

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Solid state

Liquid state

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Gas state

It easy to squash

It cannot be squashed

No Bonds of particles Particles move in all direction.

Particles collide with

other .

It cannot be squashed

Particles are quite close together.

Bonds of particles is very strong

Particles can move past each other

Bonds of particles is

weak

Particles vibrate without change position

Particles are very close together.

Name: ……………………………………………… ……… Class:.…..…………

Answer the following questions

1. What are all materials made from ?

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2. What holds the particles together in a solid ?

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3. What happens to the particles if air is squashed into a smaller space ?

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4. Why are gas particles able to spread out to fill any space ?

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5. Why is it very difficult to squash solids and liquids ?

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6. Describe how the particles move in solids , liquids and gases .

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