Chemistry

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Across
  1. 2. energy needed to or released to pick up or drop something
  2. 7. refridgerator or air conditinor
  3. 9. water behind a dam
  4. 11. important condition in thermodynamics
  5. 12. show how the temp changes as substance is heated.
  6. 13. human body
Down
  1. 1. melting ice cubes
  2. 3. heat released when burning fuel
  3. 4. the physical universe
  4. 5. hot or cold packs
  5. 6. a person walking
  6. 8. burning a candle
  7. 10. cup with lid