liuj energy crossword

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Across
  1. 2. what energy source killed a lot of animals?
  2. 3. geothermal only produce small amount of electricity true or false
  3. 5. what did geothermal came from?
  4. 8. geothermal help blank and cooling the houses.
  5. 10. where did solar energy come from?
  6. 13. what is can be produce in relatively short times?
  7. 14. what energy source can be made by sun, water, biomass, and fossil fuels?
  8. 15. how many percent did biomass get the energy from the sun?
  9. 16. what is oil mainly used for?
  10. 18. what is nuclear break a part?
  11. 20. what is most of the coal used for?
  12. 22. what can biomass may produce?
  13. 23. hydrogen can found in all blank things?
  14. 24. what is wood, plant parts, mansure, and food wastes that can be used as fuels?
  15. 25. geothermal is nonrenewable true or false
  16. 27. what power is electricity produced by flowing water?
Down
  1. 1. what percentage of the coal mined in the united states is exported to other countries?
  2. 4. what energy only mainly active in 5 states?
  3. 6. hydrogen fuel cell is creating by combining o2 and what?
  4. 7. what is reduce energy use?
  5. 9. what is can't produce in a short amount of times, it take billion years to produce again?
  6. 11. what energy is heat from earth's interior?
  7. 12. what is nuclear combine?
  8. 17. what energy is light and heat given off by the sun?
  9. 19. what is percentage of energy that is used to perform work?
  10. 21. what energy conversions occur when a car engine burns gasoline?
  11. 26. windmills used to saw wood or to what?