Eternity´s crossword

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Across
  1. 1. liquids
  2. 3. water that freezezs
  3. 5. energy
  4. 7. solid to liquid
  5. 8. about all these things i just typed....
  6. 9. molecules
Down
  1. 2. solid molicuals
  2. 4. molecules
  3. 6. heat