States of matter

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Across
  1. 3. Force on a given area of a container wall, caused by gas particles hitting the wall)
  2. 7. the process of changing state from solid to gas or gas to solid.
  3. 8. The particle model assumes that particles are this 3D shape
  4. 10. They have no fixed shape or volume
Down
  1. 1. Melting a solid takes this in because bonds are breaking
  2. 2. Increase in kinetic energy of gas particles (in a sealed container of constant volume) is the same as increasing this
  3. 4. turn from a gas into a liquid
  4. 5. They have a fixed volume but can flow and change shape
  5. 6. They have a fixed shape and volume
  6. 9. The type of arrangement for particles in a liquid or gas