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The particle theory

Learn about the particle theory through the observation of crystals, liquids, gases, and mixtures. Identify how particles behave in different substances, supporting the idea that matter is made up of tiny, moving particles with spaces in between them.

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The particle theory

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  1. The particle theory

  2. The particle theory What is a crystal made up of? Crystal

  3. The particle theory What do you observe? The crystal grows slowly. This supports that: • All matter is made up of particles • The particles are tiny • The particles are moving all the time

  4. The particle theory Do particles in liquid move? The purple colour spreads out

  5. The particle theory This supports that: • The particles are moving all the time

  6. The particle theory How do particles in gas move? Brown gas Brown gas moves towards right!

  7. The particle theory This supports that: • The particles are moving all the time

  8. 50 cm3 water The particle theory Mixing liquids 50 cm3 alcohol Total = 98 cm3

  9. The particle theory This supports that: • Different substances are made up of • different particles • There are spaces between particles

  10. The particle theory Perfume in a balloon Perfume smell! Perfume

  11. The particle theory This supports that: • There are spaces between particles

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