Matter

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Across
  1. 3. solid into gas
  2. 4. gas into liquid
  3. 8. liquid into solid
  4. 9. particles moving but not much
  5. 10. particles are roaming around freely
Down
  1. 1. gas into solid
  2. 2. liquid into gas
  3. 5. temperature
  4. 6. particles packed in tightly
  5. 7. solid into liquid