chomelawala energy crossword

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Across
  1. 3. fossil fuels made in a long amount of time
  2. 5. A layer of material that traps the air to help block the transfer of heat between the air inside the building
  3. 6. electricity created by the power of moving water
  4. 8. percent of energy used to do work
  5. 10. wood, plants parts, manure, and food wastes that can be used as fuels
  6. 11. a nuclear reaction in which the nucleus forms up into a heavy nucleus
  7. 12. save energy
  8. 14. heat from the earth's interior
  9. 17. oil is mainly used for
  10. 20. a factory in which crude oil is heated and separated into fuels and other products
  11. 22. 3 types of fossil fuels
  12. 23. used to start a reaction
  13. 26. coal is most used for
  14. 27. house that uses passive and active heating systems to get electricity and heat
Down
  1. 1. a nuclear reaction in which the nucleus separates
  2. 2. 3 types of fossil fuels
  3. 4. compounds that are made from crude oil
  4. 7. when uranium rods melt and explode
  5. 9. what source is hydrogen fuel cells
  6. 11. a substance that provides energy
  7. 13. alchohol mixed with gasoline
  8. 15. energy created by the movement of the air
  9. 16. another name for oil
  10. 18. fuels are burned, the chemical energy that is released can be used to generate another form of energy
  11. 19. energy-rich substances formed from the remains of organisms
  12. 21. light and heat given off by the sun
  13. 24. a chemical compound that contain hydro and carbon atoms
  14. 25. an original source for wind and flowing energy