Crossword Puzzle

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Across
  1. 1. change – Change of matter state
  2. 3. – Mix and disappear
  3. 6. – Catches fire easily
  4. 10. – Smallest particle of element
  5. 11. reaction – Substances change into new
  6. 12. – Mass per unit volume
  7. 15. process – Change makes new substance
  8. 16. – Can mix with liquid
Down
  1. 2. – Pure matter: element or compound
  2. 4. – Can mix with liquid
  3. 5. – Characteristic of a substance
  4. 7. – Two substances together
  5. 8. – Used in a reaction
  6. 9. – Thickness of a liquid
  7. 13. – Does not mix with water
  8. 14. – Atoms joined together