Matter

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Across
  1. 2. has mass and volume
  2. 5. not evenly mixture
  3. 6. two or more atoms bonded together
  4. 9. hottest temperature
  5. 10. amount of matter in an object
  6. 11. not chemically bonded together
  7. 12. liquid to solid
  8. 13. two or more different elements bonded together
  9. 15. evenly mixture
  10. 17. smallest unit of matter
  11. 18. observed without chemical change
Down
  1. 1. amount of space in an object
  2. 2. solid to liquid
  3. 3. warmest temperature
  4. 4. gas to liquid
  5. 7. liquid to gas
  6. 8. coldest temperature
  7. 13. combine or react with
  8. 14. how compacted a substance is
  9. 16. made of one atom