Energy

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Across
  1. 3. solar, collect, move and store heat from sun
  2. 7. one way to create hydropower
  3. 11. kinetic energy of moving water
  4. 12. fermentation of starches or sugar
  5. 13. Photovoltaic Cell
  6. 14. separates hydrogen from water
  7. 17. vegetable oil with petroleum
  8. 19. gas, wastes to methane to heat
  9. 21. solar, building to collect and store sun heat
Down
  1. 1. energy, energy from movement of tidal water
  2. 2. electricity generated by combustion of biomass
  3. 4. concentrating solar power, uses mirrows
  4. 5. gasoline plus oil
  5. 6. liquid fuels from biomass
  6. 8. high pressure and radioactive elements to make heat
  7. 9. of river, divert river into pipes for hydro power
  8. 10. ocean thermal energy conversion
  9. 15. turbine, converts wind into energy
  10. 16. Energy formed from wood, grain, manure
  11. 18. plate, 2 plates to collect suns heat and make into energy
  12. 20. cells, opposite of electrolysis