friendj Energy Crossword

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Across
  1. 2. Energy Original source of the energy in wind and flowing water
  2. 7. The percentage of energy that is used
  3. 9. How wind, flowing water and tides are used to produce electricity
  4. 13. Power Electricity produced by flowing water
  5. 14. Power Source that uses the most coal in U.S
  6. 16. Traps air to help block the transfer of heat
  7. 17. energy Heat from Earth's interior
  8. 18. rod A cadmium rod used in a nuclear reactor to absorb neutrons from fission reactions
  9. 20. Uses the most oil in the U.S
  10. 22. A substance that provides energy
  11. 23. The central core of an atom that contains protons and neutrons
  12. 24. fuel Fuel made from living things
  13. 25. Oil is separated into fuels
  14. 27. Uses the most electricity in the U.S
Down
  1. 1. fuels An energy-rich substance formed from the remains of organisms
  2. 3. The process of burning a fuel
  3. 4. Liquid fossil fuel oil
  4. 5. compound made from oil
  5. 6. Breaking apart
  6. 8. A natural resource that is not replaced in a useful time frame
  7. 10. A dangerous condition in which fuel rods inside a nuclear reactor melt
  8. 11. Chemicals that contains carbon and hydrogen
  9. 12. conservation Reducing energy use
  10. 15. Mixing alcohols to gasoline makes it
  11. 19. Coming together
  12. 21. A resource that is either always available or is naturally replaced in a relatively short time
  13. 26. vessel The part of a nuclear reactor where nuclear fission occurs