Energy Sources

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Across
  1. 2. Oil, coal, and natural gas
  2. 5. Burning fossil fuels causes _________.
  3. 8. Energy from burning wood
  4. 9. Heat from deep in the Earth
  5. 11. Energy from moving water
  6. 12. Energy from the Sun
  7. 14. Energy from moving air
Down
  1. 1. Energy from splitting atoms
  2. 3. Converts kinetic energy to electricity.
  3. 4. Hydroelectric dams can harm __________.
  4. 6. Wind or water spins this to produce electricity.
  5. 7. It takes ____________ of years for fossil fuels to form
  6. 10. This fossil fuel is formed on land by the decay of plants.
  7. 13. Any energy source other than fossil fuels