changes of state

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Across
  1. 3. heat causes liquid to gas.
  2. 5. freezes air into a solid with out becoming a liquid.
  3. 6. a phase when a solid turns into a liquid.
  4. 7. the particles travel randomly.
  5. 8. a substance that changes from solid to gas.
Down
  1. 1. the temperature which turns a liquid to a solid.
  2. 2. a substance loses heat and changes from gas to liquid.
  3. 4. particles are tightly packed
  4. 9. the particles are more loose together.