Changes of State Crossword Puzzle

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Across
  1. 2. energy "stored up" in a substance
  2. 3. does not exist in the science world!
  3. 5. forces that hold particles in a substance together
  4. 8. change of state that will occur when solid particles gain energy which weakens their attractions
  5. 9. movement of thermal energy from high to low
  6. 11. kinetic energy + potential energy
  7. 12. average kinetic energy of a substance
  8. 13. change of state from a solid to a gas
  9. 14. change of state that will occur when liquid particles gain energy which weakens their attractions
Down
  1. 1. energy of motion
  2. 4. change of state from a gas to a solid
  3. 6. change of state that will occur when gas particles lose energy which strengthens their attractions
  4. 7. process by which matter converts from one state to another
  5. 10. change of state that will occur when solid particles lose energy which strengthens their attractions