weather

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Across
  1. 1. front a composite front produced by occlusion.
  2. 5. cloud forming a continuous horizontal gray sheet often with rain or snow.
  3. 7. destructive vortex of violently rotatingwinds having the appearance of a funnel-shaped cloud
  4. 8. the collection of gases surrounding the earth
  5. 9. a system of winds rotating inward to an area of low atmospheric pressure
  6. 12. rain, sleet, hail, snow and other forms of water falling from the sky
  7. 14. a device that measures humidity
  8. 16. the amount of water vapor in the air
  9. 17. a tool used to show the direction and strength of the wind
Down
  1. 2. turn from liquid into vapor
  2. 3. a visible mass of condensed water vapor floating in the atmosphere
  3. 4. scale a scale of wind speed
  4. 6. lowest portion of the atmosphere
  5. 8. temperature a measure of the warmth or coldness in the air
  6. 10. a scientist that studies weather
  7. 11. the star around which the earth orbits.
  8. 13. an instrument measuring atmospheric pressure
  9. 15. movement of the air
  10. 17. the state of the atmosphere at a place and time