Changes of state

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Across
  1. 2. Particles vibrate about fixed points
  2. 5. Particles gain lots of energy and change into a gas
  3. 6. Movement
  4. 7. Process of a solid becoming a liquid
Down
  1. 1. Particles lose energy and turn back into a liquid
  2. 3. Particles losing lots of energy and bonds form between particles to create a compact structure
  3. 4. Particles are free to move anywhere