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Particles in solids, liquids and gases

Particles in solids, liquids and gases

Particle model comparison showing solid, liquid and gas with particle spacing, motion, and shape-volume properties labelled

Matter has mass and takes up space. The particle model says substances are made from tiny particles such as atoms or molecules. The particles are the same in each state, but their arrangement and motion change.

Changes of state and the particle model Lesson

  1. GCSE
  2. /Combined Science
  3. /Changes of state and the particle model

Step-by-step lessons covering AQA GCSE Combined Science Changes of state and the particle model for Foundation and Higher tier. Each lesson works through exam-style questions.

Lessons