Renewable resources

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Across
  1. 4. These cells convert solar energy to electricity
  2. 6. Energy produced from material produced by living organisms
  3. 8. Using the movement of the tides to generate electricity
  4. 10. Solar collectors that use heated fluid to heat water or air
  5. 11. A grouping of wind turbines
  6. 12. This heat pump uses the stable temperature of the soil a few feet under the ground
  7. 13. These batteries use hydrogen gas to produce electricity
  8. 15. Electricity produced by the combustion of biomass
Down
  1. 1. Liquid fuels from biomass sources
  2. 2. The type of solar heating that uses technology to collect, move and store solar heat
  3. 3. Using mirrors to focus sunlight to generate electricity
  4. 5. Heat produced below the Earth's surface
  5. 7. The type of solar heating that involves building design that collects and stores solar energy naturally
  6. 9. The kinetic energy of moving water is used to generate electricity
  7. 14. A device that converts wind energy to electricity