Naufal ma'ruf Amin/22 and Yusus Adi Wicaksono/36

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Across
  1. 4. The funnel than .... as an
  2. 6. At first .... of air starts to rotate
  3. 11. .... The sun heats the ground
  4. 12. The wind at 1000 ft above the ground is blowing .... mph
  5. 13. And the wind 5000 ft above the ground is blowing .... mph
  6. 16. Of air starts to rotate at .... different height
  7. 17. Tornadoes develop in ....
  8. 18. .... Provides energy
  9. 19. This causes the air to ....
  10. 20. The wind at .... ft above the ground is blowing 5 mph
Down
  1. 1. Sometimes, this column of air is .... upward
  2. 2. the funnel than speed up as an .... speeds up in a spin
  3. 3. To help it grow and become ....
  4. 5. Provides energy to the ....
  5. 7. And the wind .... ft above the ground is blowing 25 mph
  6. 8. .... are still not sure why only some funnel clounds reach the ground and others do not
  7. 9. The greater the change a ... can form
  8. 10. They pull their arms ....
  9. 14. when this happens, a .... forms
  10. 15. On day when thunderstroms develop, if conditions are just right, tornadoes ....