What are the states of matter?

Find out about the difference between solids, liquids and gases.

What are freezing and melting?

Discover how water turns into ice and back again to water, through the processes of freezing and melting.

What is evaporation and condensation?

Find out about changing state from a liquid to a gas by the process of evaporation and condensation.

What is the water cycle?

Find out how water is constantly moving around the environment through the water cycle.

9 class clips

We have a selection of great videos for use in the classroom