wind energy

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Across
  1. 4. *blank* energy (wind is this type of energy before it hits something)
  2. 5. *blank* energy
  3. 6. where the windmill was invented
  4. 10. one of the 2 creators of the windmill
  5. 12. *blank* energy (spin)
  6. 14. river where wind energy started being used
  7. 15. wind energy is *blank*
  8. 16. the blades do this to make energy
  9. 17. one of the 2 creators of the windmill
  10. 18. part of the windmill that catches wind
Down
  1. 1. gets crushed by old windmills
  2. 2. creates electricity from wind energy
  3. 3. this gets spun to create energy
  4. 5. also gets crushed by old windmills
  5. 7. wind energy is this type of energy
  6. 8. wind energy is this
  7. 9. this spins
  8. 11. wind *blank*
  9. 13. the normal number of blades per windmill