Across
- 2. add gasoline and alcohol
- 4. breaking apart
- 7. can be remade in relatively short amount of time
- 8. factory where oil is put into products
- 11. light and heat given off by the sun
- 12. traps warm air inside of house
- 15. saving energy
- 18. object that produces electricity from wind
- 19. what most of the coal used for
- 20. obtaining electricity through sun
- 22. solid fossil fuel formed by the plant remains
- 24. the percent saved
- 26. make up fossil fuels
- 27. when fuel rods generate too much heat
- 28. heat from Earth's interior
Down
- 1. when fuels contain stored chemical energy
- 3. something that makes energy
- 5. split during nuclear fission
- 6. compounds that come from oil
- 9. slow down chain reactions
- 10. replacement of incandescent bulbs
- 13. electricity from flowing water
- 14. wood plants manure food wastes that can be used as fuels
- 16. object that produces electricity from water
- 17. cannot be remade in short amount of time
- 21. what oil is mainly used for
- 23. obtaining electricity through water
- 25. coming together