2.1 Solids, liquids and gases

• ​Identify about the properties of solids, liquids and gases

• ​Sort the states of matter into solid, liquids and gases

• is any substance that has mass and takes up space by having volume.

• ​Keep the same shape.

• ​Take up the same amount of space.

• ​Keep the same volume.

• Cannot be compressed (squashed) or poured.

• ​Take the shape of the container they are in.

• ​Can be poured

• ​Cannot be compressed.

• ​Take up the same amount of space, whatever shape their container.

• ​The volume of a liquid does not change.

• ​Gases flow like liquids. They will fill any closed container they are in.

• ​Very easy to compress. The volume of a gas can change.

• ​Generally, you cannot see or feel gases, but you can sometimes smell them and you can feel air moving on your face.

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