Which is the hardest solid?

Let's play at being the atoms in solids, liquids and gases!

The atoms are all locked together in a solid

The atoms are flowing like a liquid

The atoms are free like in a gas

An experiment to show that gases change shape and volume

Do you know the difference between solids, liquids and gases?

Are these materials solids, liquids or gases?

Here are some things you can find in the bathroom. Are they solids, liquids or gases? Play the game to find out

Liquids

Have fun making solutions. Can you reverse them?

Find out about the melting point of different solids