HummelB

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Across
  1. 3. Hydropower uses _____ to create its energy
  2. 4. second atom combined to make hydrogen fuel cells
  3. 7. geothermal is ___ to drill
  4. 8. hydrogen fuel cells ____ cleanly
  5. 9. biomass energy is ___ to access
  6. 10. hydropower is the _______ source currently
  7. 13. geothermal energy is generated in the ____ ____
  8. 15. biomass ______ the air
  9. 17. wind is ____
  10. 19. Biomass energy comes from the ___
  11. 20. wind ____ hurt the environment
  12. 21. wind turbines make a lot of _____
  13. 23. geothermal produces a ____ amount of energy
  14. 24. hydropower is ______ energy
  15. 25. With geothermal energy there is no ____ to the environmenti
Down
  1. 1. with solar energy there is _____ pollution
  2. 2. there are ___ ways to get geothermal energy
  3. 5. provides __ percent of the worlds energy
  4. 6. Biomass energy is threatening to _____
  5. 11. solar energy is _______
  6. 12. Solar energy reduces _____ bills
  7. 13. hydropower is not ________
  8. 14. biomass is an easy way to get ___
  9. 16. hydrogen fuel cells are not ____ effective
  10. 18. most people don’t like the ____ impact of wind mills
  11. 22. wind is _____ energy