Energy Sources

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Across
  1. 5. generated by organic materials (biomass, biofuels, etc.)
  2. 6. uses electric generators placed on the ocean's surface
  3. 8. created in the form of heat
  4. 9. Produced by small-scale windmills or turbines
Down
  1. 1. Generated by moving water
  2. 2. generated by tapping into underground reservoirs of hot water and steam
  3. 3. a clean-burning fuel
  4. 4. renewable source that provides energy from tides
  5. 7. Produced by photovoltaic cells/solar cells, also known as solar panels