millerb energy crossword

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Across
  1. 3. you don’t have to sacrifice comfort to save energy
  2. 4. nucleus breaking apart
  3. 6. renewable
  4. 7. a compound oil
  5. 10. what is coal mainly used for
  6. 12. what percent of coal in the USA is used for electric power
  7. 13. what percent of oil in the USA is used for industry
  8. 14. an energy rich chemical compound
  9. 16. what is oil mainly used for
  10. 17. heat from earth's interior
  11. 18. a change in behavior to save energy
  12. 22. what is the first source of energy in wind and flowing water
  13. 23. a system that responds in its temperatures
  14. 25. what percent of the coal mined in the USA is exported to different countries
Down
  1. 1. is a sum of potential energy and kenotic energy
  2. 2. what percent of oil in the USA is used for commercial power
  3. 4. percent of oil in the USA is used for electric power
  4. 5. how much percent does coal in the USA produced heating
  5. 8. three major types of fossil fuels
  6. 9. traps heat so we can conserve energy
  7. 11. a substance that provides energy of a result of a chemical change
  8. 15. what percent of oil in the USA is used for transportation
  9. 19. a factory in which crude oil is heated and segregated
  10. 20. are not renewable cannot be used in a short amount of time
  11. 21. energy produced by flowing water
  12. 24. Alcohol with gasoline