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