Solids, Liquids, and Gases

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Across
  1. 7. the change of states from a gas to a liquid; when gas particles collect
  2. 8. made up of carbon dioxide; can give you frostbite in seconds
  3. 9. thermal energy
  4. 10. the change of states from a liquid to a gas; only happens on the surface of a liquid
Down
  1. 1. the change of states from a solid to a liquid
  2. 2. the change of states from a liquid to a solid
  3. 3. the change of states from liquid to gas; happens throughout the entire liquid
  4. 4. the change of states from a solid to a gas; only occurs in certain substances
  5. 5. the change of states from a gas to a solid; only occurs in certain substances
  6. 6. the change of states from liquid to gas; there are 2 types of these