Air Masses and Fronts

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Across
  1. 1. An area where 2 air masses meet but do not mix
  2. 3. this effect causes winds to curve west to east in the Northern Hemisphere and east to west in the Southern Hemisphere.
  3. 4. This type of air mass forms over land and is dry
  4. 9. This type of air mass forms over the poles and is cold
  5. 10. This fast moving front brings abrupt changes to weather
  6. 12. This type of air mass forms over the tropics and is warm
  7. 13. The main wind belt in the US is called prevailing ____________.
  8. 15. This type of front stalls over an area
  9. 16. Uneven heating of the Earth by the Sun causes global circulation _____ of air currents and water currents.
  10. 17. The Earth rotates on its axis from _____ to east.
Down
  1. 2. This front cuts off the warm air mass from the ground
  2. 5. This type of air mass forms over oceans and is humid
  3. 6. Cold air sinks because it is _______ dense than warm air.
  4. 7. In the US most of our winds are blown from the west to the ______
  5. 8. A large body of air with similar temperature and humidity
  6. 11. A warm air mass is ______ dense than a cold air mass
  7. 13. This slow moving front has warm air slowly rising over a cold air mass
  8. 14. Warm air ______ because it is less dense than cold air