P-Flack
Across
- 2. What energy uses water
- 3. A substance that provides energy
- 5. flowing water
- 7. A dangerous condition in which fuel rods inside a nuclear reactor melt
- 9. Coming together
- 11. Traps or air to help block the transfer of heat
- 12. Oil is separated
- 16. Compounds made of oil
- 17. Power Source that uses the most coal in the U.S.
- 18. Rod A cadmium rod used in a nuclear reactor to absorb neutrons from fission reactions
- 20. What uses the most electricity in the U.S.
- 22. A resource that is either always available or is naturally replaced in a relatively short time
- 24. carbons Chemicals that contain carbon and hydrogen
- 26. Mixing alcohols to gasoline makes it
- 27. Plant parts, manure, food, and wood wastes that can be used as fuels
Down
- 1. What uses the most oil in the U.S.
- 3. Breaking apart
- 4. The percentage of energy that is used
- 6. The process of burning a fuel
- 8. energy Heat from the Earth's interior
- 10. A natural resource that is not replaced in a useful time frame
- 13. Fuels An energy rich substance formed from the remains of organisms
- 14. Liquid fossil fuel oil
- 15. Vessel The part of a nuclear reactor where nuclear fission occurs
- 19. Conservation Reducing energy use
- 21. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- 23. Energy The original source of energy in wind
- 25. How wind, flowing water, and tides are used to produce electricity