Across
- 5. source of energy that will never run out
- 6. is the heat from the within of the earth
- 8. produces electricity in power stations
- 11. when the water rushes down from dam, it has ... energy
- 12. solar panel converts light energy to ...
- 13. use this instead of AC
- 15. one source of energy that is not renewable
- 16. the main source of energy
- 18. one of the sources of biofuels
- 21. fossil fuels are
Down
- 1. a calculator can be powered by a ...
- 2. we should ... energy
- 3. has kinetic energy when spinning
- 4. a shoot of hot water and steam on the earth surface
- 7. from the sun that keeps us warm
- 9. biofuels can be ... and will not run out
- 10. ride this instead of motorbike to reduce the use of fossil fuels
- 14. have blades that help to grind grains
- 17. a large open area where there are a lot of wind turbines
- 19. nuclear energy comes from this
- 20. built across a river to produce electricity