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Science

Particle model

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Arrangement and movement

The table summarises the arrangement and movement of the particles in solids, liquids and gases. It also shows simple diagrams of the arrangement of the particles that you should be able to draw and recognise.

  Solid Liquid Gas
Arrangement of particles

Close together

Regular pattern

Close together

Random arrangement

Far apart

Random arrangement

Movement of particles Vibrate on the spot Move around each other Move quickly in all directions
Diagram Solid particles are close together in a regular patten Liquid particles are close together in a random pattern and can move around each other. Gas particles are far apart in a random pattern, and can move freely and quickly
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The particle model activity

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