Energy Recap

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Across
  1. 4. A transfer of energy associated with motion
  2. 6. The energy transferred out of a system in the way intended
  3. 8. A transfer of energy
  4. 10. Radiators store this type of energy
  5. 12. The energy transferred into a system
  6. 14. The energy transferred out of a system which isn't useful
  7. 15. A way of representing the energy transfers in a system
  8. 16. A store of energy to do with movement
  9. 17. Energy cannot be created or ...
  10. 18. Energy is measured in
Down
  1. 1. A match stores this type of energy
  2. 2. The output energy when a person climbs a set of stairs
  3. 3. The energy stored in a rubber band
  4. 5. The total amount of energy is always ...?
  5. 7. The rate of transfer of energy
  6. 9. The proportion of useful energy to total input energy
  7. 11. Transfer of energy in a torch
  8. 13. Power is measured in