matter

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Across
  1. 2. A state of matter in which the particles vibrate in fixed positions close to each other
  2. 4. To be squashed to take up less space
  3. 6. A set of statements that explains the behaviour of particles in solids, liquids and gases is called the ..... theory of matter
  4. 8. The amount of mass (g) in a unit of volume( cm3)
  5. 10. To change state from a liquid to a gas at a slow rate
  6. 11. A state of matter in which the particles are very far apart and move with lots of energy
  7. 12. To change state from a liquid to a solid
  8. 14. To change state from a liquid to a gas at a rapid rate
  9. 16. The amount of space something occupies
Down
  1. 1. Decreasing in size due to decreased particle vibrations and space occupied by particles
  2. 3. Change state from a solid to a liquid
  3. 5. The amount of matter that makes up a substance
  4. 7. To change state from a gas to a liquid
  5. 9. Increasing in size due to increased particle vibrations and the space occupied by particles
  6. 13. Anything that takes up space and has mass
  7. 15. A state of matter in which the particles are close together but move freely past one another