urbinaj enrgy crossword

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Across
  1. 2. wood, plant parts, manure, and food wastes that can be used for fuels
  2. 5. rods in the reactor
  3. 6. can be replenished in a short amount of time
  4. 9. a change from one form of energy to another
  5. 10. rods used to slow down chain reactions when the reactor vessel gets too hot
  6. 11. reducing energy use
  7. 13. compounds that are made from oil
  8. 16. heat from earth's interior
  9. 18. what is oil mainly used for
  10. 19. what is coal mostly used for
  11. 22. a layer of material that traps air
  12. 23. the three major types of fossil fuels are oil, natural gas, and
  13. 24. what does wind, flowing water, and steam turn
  14. 26. three needs for fuel are transportation, heating and cooling, and
  15. 28. the part of the nuclear reactor where nuclear fission occurs
  16. 30. the central core of an atom
Down
  1. 1. through what can stored chemical energy be released
  2. 3. coming together
  3. 4. another name for oil
  4. 7. electricity produced by flowing water
  5. 8. cannot be replenished in a short amount of time
  6. 12. chemical compounds that contain carbon and hydrogen atoms
  7. 14. what is the melting of fuel rods called
  8. 15. adding alcohol to gasoline forms this mixture
  9. 17. energy rich substances formed from the remains of organisms
  10. 20. a factory in which crude oil is heated and separated into fuels and other products
  11. 21. light and heat given off by the sun
  12. 25. breaking apart
  13. 27. the percentage of energy that is actually used to perform work
  14. 29. a substance that provides energy