Across
- 1. the main cause of the urban heat island effect
- 4. heat from earth's interior
- 6. can't be replenished in short amount of time takes millions and billions of years
- 7. 3 ways to converse at home
- 15. geothermal energy
- 16. what is gashol
- 17. wind blows against a turbine which connects to a speed drive shaft to energy goes throough gear box makes which makes energy
- 20. largest source of fuel in u.s.
- 21. compound made from oil
- 23. chemical compound that contains carbon hydrogen atoms
- 25. can have replenished in short period of time
- 26. a factory wich crude oil is heated and steamed fuels
- 28. factory crude oil is heated and separated
Down
- 2. two piont two percent of this fuel powers the u.s.
- 3. would, plant parts, manure, and food waste that can be as fuel
- 5. turn of the lights
- 8. what are 3 types of fossil fuel
- 9. why is it not nuclear fusion currently used as an energy
- 10. Nine Three percent of this fuels the U.S.
- 11. what is oil mainly used for
- 12. nine point nine percent of this fuel powers the u.s.
- 13. how does a meltdown occur
- 14. a substance that provides energy
- 18. you have to drill down to get hot water and steam to power a turbine
- 19. light and heat given off by that sun
- 22. what is coal used for thirteen percent what % of coal mined goes to different countries
- 24. what happens when fuel creates to much heat
- 27. oil can be used for this