Science

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Across
  1. 1. occurs only in the troposphere
  2. 2. water that runs off the land
  3. 4. when air is moist outside
  4. 5. when clouds form
  5. 6. calm wind where sailers used to trade stuff
  6. 7. air masses from over the oceans
  7. 8. a high feathery cloud
  8. 9. a flat and puffy cloud that means rain
  9. 12. air masses form in the land up north
  10. 16. water droplets fall from the clouds
  11. 18. a calm place that is by the equator that has little or no wind
Down
  1. 1. ground water in an aquifer
  2. 2. the rays from the sun
  3. 3. a large body of air
  4. 5. air mass from the north to make cold weather
  5. 10. a big current of wind
  6. 11. air masses from over the equator
  7. 12. a current of air
  8. 13. where we live
  9. 14. wind that goes East from the poles
  10. 15. the tilt of the earth
  11. 17. a cloud at ground level