storerh Energy Crossword

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Across
  1. 2. replacing incandescent light bulbs with flourescent light bulbs does this
  2. 5. the original source of wind and water energy
  3. 6. percentage of coal used for heating
  4. 7. 13 percent of coal in the United States is used for this
  5. 9. keeps the heating in your house from escaping
  6. 13. the nucleus splits in to smaller nuclei
  7. 15. wood, plant parts, manure, and food wastes
  8. 16. transportation, electricity, heating & cooling
  9. 17. what most of the oil in the United States is used for
  10. 20. electricity made by flowing water
  11. 23. compounds made from oil
  12. 26. heat form the Earth's interior
  13. 28. pushed by wind or water to generate electricity
Down
  1. 1. how fossil fuels form
  2. 3. a factory that makes coal in to chemicals
  3. 4. when fuel rods make so much heat that the begin to melt
  4. 8. alcohol and gas combined
  5. 10. two atomic nuclei combine to one nucleus
  6. 11. a limitation of solar energy
  7. 12. least amount of coal is used for this
  8. 14. what percentage of oil in the United States is exported
  9. 18. 3 major types of fossil fuels
  10. 19. chemicals with carbon and hydrogen
  11. 21. petroleum, natural gas, coal, oil
  12. 22. hydroelectric, solar, nuclear, and hydrogen power
  13. 24. light and heat given off by the sun
  14. 25. least amount of oil in the United States is used for this
  15. 27. something that creates energy
  16. 29. hydrogen does not do this