Energy Revision Crossword

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Across
  1. 6. Store of energy in stretched or squashed objects. (2)
  2. 7. Materials with low thermal conductivity.
  3. 8. Example of renewable energy resource.
  4. 10. Example of non-renewable energy resource.
  5. 13. the rate of energy transfer.
  6. 14. Energy cannot be created or ...
  7. 15. The amount of energy required to increase 1kg of a substance by 1 degree C.(3)
  8. 18. Store of energy in hot objects.
  9. 19. Force that generates heat.
  10. 20. Example of renewable energy resource involving hot rocks.
  11. 21. Unit of energy.
Down
  1. 1. Store of energy in objects high off the ground. (2)
  2. 2. Example of non-renewable energy resource.
  3. 3. The unit of power
  4. 4. Store of energy in moving objects.
  5. 5. Example of non-renewable energy resource.
  6. 9. Energy lost, usually as heat.
  7. 11. e.g. Oil that reduces friction.
  8. 12. Example of renewable energy resource involving a dam.
  9. 16. The ratio of useful energy output to total energy input for a device.
  10. 17. 1000 joules.