Weather Name__________________

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Across
  1. 2. Clouds that form on the ground.
  2. 6. Stratus clouds that produce precipitation are called this.
  3. 11. The _______ at which water vapor condenses is called the dew point.
  4. 12. Clouds can affect the temperature on Earth’s _________. During the day, thick clouds block some of the Sun’s rays. This keeps the surface from heating up as much as it would on a clear day.
  5. 14. At night, thick clouds prevent ______ from radiating out into space. This keeps the surface warmer than it would be on a clear night.
  6. 15. When water vapor condenses, it forms clouds and ___________.
Down
  1. 1. Clouds form when air in the ______ reaches the dew point.
  2. 3. This forms when snow melts as it falls through a layer of warm air then refreezes.
  3. 4. Warm air is ______ dense, so it rises. When this happens, more dense air flows in to take its place. The flowing surface air is wind.
  4. 5. ______ humidity increases the chances of clouds and precipitation.
  5. 7. Weather occurs because of ________ heating of the atmosphere. The source of heat is the sun.
  6. 8. The conditions of the atmosphere at a given time and place.
  7. 9. The average of weather over a long time.
  8. 10. The amount of water vapor in the air.
  9. 13. _______ falls if the air temperature is above freezing (32 degrees).