matter crossword puzzle

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Across
  1. 1. liquid gas and _____
  2. 4. when molecules are heated up they _______
  3. 6. the amount of space that a substance occupies
  4. 8. something that has weight
  5. 10. when a solid becomes gas without becoming liquid.
  6. 12. when a solid becomes a gas but becomes liquid first
  7. 14. when a liquid becomes a solid example. water becoming ice
  8. 15. liquid and gas are the _____ of matter
  9. 16. solid liquid and ____
Down
  1. 2. solid gas and ______
  2. 3. when a liquid becomes a gas
  3. 5. a minute portion of matter
  4. 7. anything with weight that takes up space
  5. 9. when molecules are cooled off they _______
  6. 11. when water evaporates
  7. 13. when a solid becomes a liquid example. ice becoming water