Energy Review Crossword Puzzle

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Across
  1. 2. breaks down atoms where energy is released and can be used
  2. 4. located above oil deposits
  3. 9. energy in transformed state: electricity
  4. 11. derived from sources that will run out or will not be replenished in our lifetime
  5. 12. coal, oil, natural gas
  6. 13. the second most used energy type
  7. 14. the ability to do work
  8. 15. a solid, combustible mineral made of carbon, formed from organic matter after millions of years of compression
Down
  1. 1. forms that can be used directly as they appear in nature: fossil fuels
  2. 3. one of the few countries that can be self-sustained (produces 117% of its own usage)
  3. 5. wind, solar, hydroelectric
  4. 6. energy in the nucleus, or core, of an atom
  5. 7. wood and other biomass
  6. 8. an energy source that can easily be replenished
  7. 10. atoms are fused with one another where energy is released and can be used