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Diffusion gives you four interactive animations to simulate the common classroom experiments.

You’ll use it to:

  • Show how common observations of diffusion relate to the particle model.
  • Show how diffusion occurs in liquids and gases.
  • Show how diffusion explains what happens when coloured crystals dissolve.
  • Explain why a liquid evaporates more quickly into vacuum than into another gas.
  • Explain how and why temperature affects the rate at which diffusion occurs.

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