S1 Energy crossword

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Across
  1. 3. Potential energy can be either gravitational or (??).
  2. 7. The E in MAC HELPS?
  3. 13. What drives (turns) the turbine in a coal-fired power station.
  4. 15. A fan changes electrical energy into (??) energy.
  5. 16. When electricity is being produced what do the turbines turn?
  6. 17. Fossil fuels are said to be (??) energy sources.
  7. 19. Component that stores electrical energy?
  8. 20. Energy can neither be (??) nor destroyed.
  9. 21. The source of energy for all living things?
  10. 23. A squashed spring changes (??) energy into movement energy.
Down
  1. 1. How many years approx. does it take to make fossil fuels?
  2. 2. A (??) power station pollutes the air less than a coal-fired power station.
  3. 4. Light from the Sun is changed into electrical energy in a (??).
  4. 5. The type of energy in a candle?
  5. 6. Wind and solar energy are examples of (??) energy sources.
  6. 8. (??) oil and natural gas are fossil fuels.
  7. 9. A buzzer changes electrical energy into (??) energy.
  8. 10. Another name for movement energy?
  9. 11. Component that can turn movement energy into
  10. 12. A light bulb changes electrical energy into light and (??) energy.
  11. 14. Coal is made from dead (??).
  12. 18. energy?
  13. 22. The food we eat provides us with (??).