Matter

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Across
  1. 6. the change from gas to liquid
  2. 7. the fast change from liquid to gas
  3. 8. the change from solid to liquid
Down
  1. 1. the change from liquid to solid
  2. 2. the slow change from liquid to gas
  3. 3. densely packed particles
  4. 4. very loose particles
  5. 5. loosely packed particles