5th Grade Ch 8 Lesson 2 What Are Air Masses

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  • 1. Lesson 2 What are air masses?
  • 2. kinds of air masses
    • air mass = large body of air w/ similar prop. through it
  • 3. 4 kinds of air masses Continental tropical Continental polar Maritime tropical Maritime polar
  • 4. Continental tropical forms over Land warm dry
  • 5. Continental polar Forms over Land Cold dry
  • 6. Mar itime tropical Forms over water warm Humid (moist)
  • 7. Mar itime polar Forms over Water Cold Humid (moist)
  • 8.  
  • 9. Air mass
    • Form when air stays over an area for some time
    • Take on temp. & water vapor of that area
    • Move by upper level winds
  • 10. What kind of air mass would form here? What characteristics would an air mass that formed here have?
  • 11. What characteristics would an air mass that formed here have? What kind of air mass would form here?
  • 12. front
    • boundary between 2 air masses
    • named from kind of air that moves into area
  • 13. stationary front
    • does not move very much or moves back & forth
  • 14.  
  • 15.