Danenhowerm Energy Crossword

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Across
  1. 3. wind is a _______ energy
  2. 6. the earth's core is this many miles below the surface
  3. 8. geothermal energy is mainly active in how many states?
  4. 14. used to obtain solar light
  5. 15. it hurts wildlife when these things are built
  6. 17. used to obtain solar heat
  7. 18. this is how we get magma
  8. 20. using biomass fuels may reduce these types of gases
  9. 22. this is one of the things that can be used to make hydropower energy
  10. 23. geothermal energy is from this part of the earth
  11. 24. hydrogen is very _______
  12. 25. hydropower is a _____ energy source
  13. 26. hydrogen is lighter than this
  14. 27. is an ________ ________
Down
  1. 1. there are tons to wind mills on these big plots of land
  2. 2. wind ____ turn wind into usable energy
  3. 4. this is one of the things burned to obtain biomass energy
  4. 5. hydropower is currently the ________ ______
  5. 7. hydropower is not yet used for ______________
  6. 8. biomass energy gives off less energy that these types of natural gases
  7. 9. the earth won't have wind without this "star"
  8. 10. this type of pollution is emitted when using biomass fuels
  9. 11. biomass ____
  10. 12. solar energy is good for this
  11. 13. solar energy is only available during this time
  12. 16. something wind doesn't create
  13. 19. geothermal energy creates this kind of heat
  14. 21. solar panels and collectors can be this
  15. 28. hydrogen atoms plus these kinds of atoms equals hydrogen elctricity