Renewable energy

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Across
  1. 5. converts fuel like hydrogen into electricity
  2. 6. Renewable source that harnesses the power of the wind.
  3. 7. a diesel substitute made from plant oil
  4. 8. A turbine the generates electricity from wind
  5. 9. Transfers heat from the ground into a building
  6. 11. Giving electricity to water ti split it into hydrogen and oxygen
  7. 12. energy source derived from ocean tides
  8. 15. Energy generated from the sun
  9. 17. a form of renewable energy using water flow
  10. 18. Energy derived from heat stored within the Earth
  11. 19. Biological material that has mass
Down
  1. 1. Infrastructure design that optimizes energy use from the sun
  2. 2. Fuel derived from biomass
  3. 3. Trapping water behind dams for storage
  4. 4. Energy formed from unimpeded water sources such as a waterwheel on a river
  5. 10. Systems that harness solar energy without use of technology
  6. 13. A type of energy production method that uses photons in light
  7. 14. Wood that has been heated in the absence of oxygen
  8. 16. A turbine that generates electricity from water
  9. 20. Systems that harness solar energy by using technology