Download Air Mass

Name: ________________________________ Period: ___________ Date: ___________
7-1 What are air masses?
Part A Write true if the statement is true. If the statement is false, change the underlined term to make the statement
true.
_________________________________________
1. An air mass forms when air stays over an area for a while or
moves slowly over an area.
_________________________________________
2. Air masses that form over land are moist.
_________________________________________
3. Air masses that form over warm regions are warm.
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4. Polar air masses form over warm regions.
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5. Cold air masses that form over Canada in the winter are
maritime tropical air masses.
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6. Air masses that form near the equator are tropical air masses.
Part B Identify the air masses shown on the map. Write your answer in the space with the same number as the circle on
the map.
AIR MASSES
1. ____________________________________
2. ____________________________________
cA
continental arctic
3. ____________________________________
cP
continental polar
4. ____________________________________
cT
continental tropical
5. _____________________________________
mT
maritime tropical
6. ______________________________________
mP
maritime polar
Complete the table. Table 1 - Classification of Air Masses
Air Mass
1. Continental polar
2. Maritime polar
3. Maritime tropical
4. Continental tropical
Formed Over
Land or Water?
Formed in Cold Region
Or Near the Equator?
Warm or Cold
Dry or Moist?
Symbol