States of water

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Across
  1. 1. make the temperature go down
  2. 4. the densest state of matter (example: ice)
  3. 5. heat up a solid so it turns into a liquid
  4. 7. cool a liquid so it turns into a solid
  5. 8. the least dense state of matter (example: vapour)
  6. 9. make the temperature go up
Down
  1. 2. the middle state of matter (example: liquid water)
  2. 3. heat up a liquid so it turns into a gas
  3. 5. find out the exact value of something
  4. 6. into change from one state into another state