2. Solids,gases,Liquids Solids, liquids and gases have different properties. By Jay

3. Contents page Solids page 3 Liquids page 4 Gases page 5

4.  Solids keep their shape. They do not flow like liquids.  Solids stay in one place and can be held.  Even though they can be poured, sugar, salt and flour are all solids. Each particle of salt, for example, keeps the same shape and volume.  Is sand a solid ?. Solids Gases do not keep their shape or always take up the same amount of space. They spread out and change their shape and volume to fill up whatever container they are in. Return to contents page

5.  Liquids and gases can flow.. Gases can be squashed.  Even when liquids change their shape, they always take up the same amount of space. Their volume stays the same.  Cooling a gas can turn it into a liquid. Liquids Return to contents

6. Gas The air we breathe here on Earth is made up of different gases. It contains around 78% nitrogen, 21% oxygen, 1% argon and a small amount of other gases. nitrogenoxygen These are the 3 states of matter Air is the gas all around us. It is a mixture of several different gases, mainly nitrogen and oxygen. Without air we cannot breath and fires won’t burn. It supports balloons and aeroplanes. Natural gas comes from the ground. It burns easily (flammable) Natural gas is used as a fuel for heating.