Energy

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Across
  1. 5. when atoms are rearranged to make a new substance
  2. 9. how hot or cold something is
  3. 10. the amount of energy something uses in a period of time
  4. 12. this states energy can never be created or destroyed
  5. 13. matter is made of these little particles
  6. 15. this device keeps the heart beating correctly
Down
  1. 1. unit for measuring energy
  2. 2. how much energy is used when supplied to a device
  3. 3. a unit of power
  4. 4. when one type of energy is turned into another
  5. 6. stored energy in food and fuel
  6. 7. energy that is supplied but escapes and is not used for its intended purpose
  7. 8. the force that holds atoms together
  8. 11. a diagram which shows how energy is transformed or transfered
  9. 14. this can never be created or destroyed