Compression

Key Stage 3

To compress is to make something shorter or smaller in volume by applying a force.

Gas can be compressed easily but solids and liquids cannot be compressed because the particles in a solid and liquid are already touching.

To compress is to make something shorter of smaller in volume by applying a force.

Gas can be compressed easily but solids and liquids cannot be compressed because the particles in a solid and liquid are already touching.

A spring can be compressed to become shorter due to pair of equilibrium forces.