The Wind at Work

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Across
  1. 3. Now, windmills are called wind _____.
  2. 5. Stem that means 'people.'
  3. 8. The wind helps to ____ sailboats on the water. (vocab. word)
  4. 9. Coal, oil, and natural gas are examples of these.
  5. 11. Stem that means 'self,same.'
  6. 12. Wind is __________ and we will never run out of it.
  7. 16. Wind has been used for energy for more than a _____ years.
  8. 18. Stem that means 'foot.'
  9. 19. One of the uses of Windmills was to grind ______.
  10. 21. To change something into something else.
  11. 22. The purpose of informational text.
  12. 23. Wind is not perfect because it can be _____. (vocab. word)
Down
  1. 1. Stem that means 'measure.'
  2. 2. How wind is harnessed.
  3. 4. Windmills come in many ____ and sizes.
  4. 6. One advantage of wind power.
  5. 7. The ___ lanterns could be seen during the storm (vocab. word.)
  6. 10. Stem that means 'to carry.'
  7. 13. Wind is not a perfect source of ______.
  8. 14. To become larger.
  9. 15. A generator behind the blades ____ wind energy to electricity.
  10. 17. This is created by the sun as it warms the earth unevenly.
  11. 20. Stem that means 'graph.'