Y8 - topic 1 - lesson 1 (solids, liquids and gases)

Which of these materials will have similar properties?

• air, oxygen, ice

• water, iron, air

• iron, stone, wood

• oil, water, wood

A solid, like rock, has......

• a shape which is easy to change but its volume is fixed

• a shape which is fixed but it can change its volume

• a shape and a volume which are both easy to change

• a shape and volume which are both fixed

All liquids......

• have a fixed volume and take the shape of their container

• have a fixed volume and a fixed shape

• will spread out until their volume has doubled

• can change their volume but not their shape

Gases......

• spread out until they fill the space around them

• do not spread out

• cannot be poured

• keep their shape

Everything is made up of......

• particles which are arranged differently in solids, liquids and gases

• particles which are arranged in the same way in solids, liquids and gases

• water particles

• nothing

In a solid.......

• the particles are very close together

• the particles are as far apart as possible

• the particles are quite close together

• there are no particles

In a liquid......

• the particles are very close together

• the particles are as far apart as possible

• the particles are quite close together

• there are no particles

In a gas......

• the particles are held tightly in place

• there are no particles

• the particles are free to move anywhere

• the particles move past each other, but cannot move freely