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Find out why we don't have chocolate mugs and woollen umbrellas by learning about the uses of different materials.

Find out how to tell the difference between reversible and irreversible reactions.

Find out about the different methods of separation and how to use them to reverse a mixture.

Find out how dissolving works and why some substances appear to disappear when you mix them with water.

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

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

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

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