Across
- 4. how much coal is used for electric power
- 7. the transportation sector uses how much biomass
- 8. transportation uses how much oil
- 11. radiant energy emitted by the sun
- 12. a mixture of gasoline and ethyl
- 13. what is biomass
- 14. a compound of hydrogen and carbon
- 16. one way to capture sun light is by a
- 17. what enregy conversion occurs when a cars engine is turned on
- 18. disadvantage of wind power
- 19. is hydropower renewable or nonrenewable
- 20. relating to or denotating the generation of electricity
- 21. lighting and heat given off by the sun
- 23. were is most wind energy found
- 24. heat from earths interior
Down
- 1. wood, plant parts, manure and food waste that can be used as fuels
- 2. are hydro fuel cells renewable or nonrenewable
- 3. an industrial insulation where a substance is refined
- 5. united states electricity energy source from nuclear energy
- 6. united states electricity production by energy source mostly uses
- 9. why isn't nuclear fission used as an energy source
- 10. a chemical obtained from petroleum and natural gas
- 15. the sun makes energy in its core in a process of
- 22. substance that provides energy