The Random

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Across
  1. 4. two or more
  2. 7. changes to gas
  3. 9. shape
  4. 11. temperature
  5. 12. to air
  6. 14. makeup
  7. 15. solid
  8. 16. react
  9. 17. volume
  10. 18. spread throughout
Down
  1. 1. two different
  2. 2. solid to liquid
  3. 3. evenly mixed
  4. 5. gas
  5. 6. far apart
  6. 8. mixed together
  7. 10. Ice
  8. 12. atom
  9. 13. substance