bienkowskak Energy Crossword

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Across
  1. 5. most of coal is used for this.
  2. 7. fuel rods that genarate so much energy they melt.
  3. 11. a mixture of methane and other gases.
  4. 12. rods in the reactor that contain U-235.
  5. 14. the central core of an atom that contains protons and neutrons.
  6. 16. where solar energy can be converted directly into electricity.
  7. 17. a change from one form of energy to another.
  8. 19. an electricity produced by flowing water.
  9. 20. a machine with turbines that use wind to generate electricity.
  10. 22. breaking apart.
  11. 23. chemicals compounds that contain carbon and hydrogen atoms.
  12. 25. energy light and heat given off by the sun.
  13. 27. part of nuclear reactor where nuclear fission occurs.
  14. 28. another name for oil.
  15. 29. putting together.
Down
  1. 1. resources that can be replaced in a short period of time.
  2. 2. the percentage of energy that is used to preform work.
  3. 3. heat from the earth's interior.
  4. 4. reducing energy use.
  5. 6. an energy source that uses wood, plant parts, manure and food wastes as fuel.
  6. 8. a mixture of alcohol and gasoline.
  7. 9. nonrenewable energy that uses fission and fussion.
  8. 10. rods used to slow down the chain reactions in the reactor vessel if it gets too hot.
  9. 13. a factory which crude oil is heated and separated into fuel.
  10. 15. compounds made from oil.
  11. 18. energy rich substances formed from the remains of organisms.
  12. 21. a layer of material that traps air inside and outside a building.
  13. 24. a solid fossil fuel formed by plant remains.
  14. 26. a substance that provides energy.