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