Matter

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Across
  1. 3. the process of changing from a liquid to a gas
  2. 6. how heavy something is
  3. 7. the process of changing from a solid to a liquid
  4. 9. particles are closely packed together
  5. 10. the melting point or freezing point for water
  6. 13. the boiling point of water
  7. 14. helps particles lose energy
  8. 16. anything that has weight and takes up space
  9. 17. adds energy to the particles
Down
  1. 1. how much space something takes up
  2. 2. how solid particles move
  3. 4. the process of changing from a liquid to a solid
  4. 5. causes changes in how particles move
  5. 8. force that holds particles together
  6. 11. particles can slide past each other
  7. 12. the process of changing from a gas to a liquid
  8. 15. particles move freely and are far apart