M1 LAYERS OF THE ATMOSPHERE AND WEATHER

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Across
  1. 1. Layer of the atmosphere in which clouds form
  2. 3. Measures the actual amount of moisture in the air (8,8)
  3. 4. This is a person who studies the weather
  4. 5. A measure of the moisture level in the air; compares the actual amount of water vapour to the possible amount of water vapour (8,8)
  5. 7. This gas is found predominately in the stratosphere
  6. 8. Another name for rain, hail and snow.
  7. 9. When humidity gets to 100% water vapour goes through this process, producing clouds.
  8. 11. This device is used to measure the temperature of the air
  9. 12. Air masses like this are associated with wet, cloudy weather (3,8)
  10. 13. Air masses like this are associated with dry, fine weather (4,8)
Down
  1. 1. This factor of the weather has a direct effect on humidity
  2. 2. Air pressure is measured with this device
  3. 6. Layer of the atmosphere in which meteors get burnt up
  4. 10. The most extreme temperatures are found in this layer of the atmosphere