The states of matter

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Across
  1. 2. The unit we measure temperature in
  2. 4. The amount of space an object takes up
  3. 5. A measure of the amount of matter in an object
  4. 7. A measure of how hot or cold something is
  5. 9. A change that does not last forever
  6. 11. The state of matter with a definite shape and volume
  7. 15. A change that we cannot reverse
  8. 16. The state of matter with a definite volume but no definite shape
Down
  1. 1. The state of matter that has no definite shape or volume
  2. 3. We made this to demonstrate the freezing process
  3. 6. _______ of matter
  4. 8. The phase change from a liquid to a gas
  5. 10. The change from solid to liquid
  6. 12. The change from liquid to solid
  7. 13. What was used to lower the freezing point for our experiment
  8. 14. Water does this at 100C