doerri Energy crossword

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Across
  1. 2. what is most of the coal used for
  2. 6. the percent of coal used in the USA is
  3. 8. as water moves through tunnels it turns turbines which are connected to a
  4. 11. A energy rich chemical compound that contains carbon and hydrogen atoms
  5. 13. blades shafts gears a generator and a cable these parts work together to convert the winds energy into
  6. 15. A chemical made from oil
  7. 16. Hydrogen burns
  8. 17. electricity produces using the energy of flowing water
  9. 18. air in motion
  10. 21. A substance that provides energy because of chemical change
  11. 24. Heat from earth's interior
  12. 25. 61 percent of oil is used on electric power in the
  13. 26. light and heat given off by the sun
  14. 28. isn't usually used as a fossil fuel
Down
  1. 1. the percent of oil used on industry in the USA
  2. 3. A factory in which crude oil heated and separated into fossil fuels and other products
  3. 4. a material that blocks heat transfer between air and outside a building is called
  4. 5. replenishes in a relatively short amount of time
  5. 7. three types of fossil fuels are natural gas, oil and
  6. 9. a mixture of gasoline and alcohol
  7. 10. three examples of petrochemicals are cosmetics, paint, and
  8. 11. it is made from another substance since it isn't on earth it must be man maid
  9. 12. solar energy comes from the
  10. 14. what percentage of coal mined in the US is exported to other countries
  11. 19. cannot be replenished in a short amount of time
  12. 20. solar energy is only collectable when it is
  13. 22. wood, plant parts, manure, and food wasted that can be used as fossil fuels
  14. 23. oil is mainly used for
  15. 27. Hydrogen creates no acid rain or