1. A) cooler and contains less moisture
B) cooler and contains more moisture
C) warmer and contains less moisture
D) warmer and contains more moisture
1. Compared to a maritime tropical air mass, a continental
polar air mass is
A) higher temperature and more water vapor
B) higher temperature and less water vapor
C) lower temperature and more water vapor
D) lower temperature and less water vapor
2. Compared to a maritime tropical air mass, a maritime
polar air mass has a
3. The weather map below shows a frontal system that has
followed a typical storm track.
A) northern Atlantic Ocean
B) central part of Canada
C) Gulf of Mexico
D) Pacific Northwest
The air mass located over point X most likely originated
over the
A) geographic origin
B) size and shape
C) rate of movement
D) direction of movement
4. The weather characteristics of air mass result primarily
from its
A) rate of Earth’s rotation
B) direction of Earth’s surface winds
C) source region where the air mass formed
D) path the air mass follows along a land surface
5. The properties of an air mass are mostly determined by
the
6. Base your answer to the following question on the
diagram below, which shows the frontal boundary
between mT and cP air masses.
A) cold front B) warm front
C) occluded front D) stationary front
If the front at ground level is moving toward city B.
which type of weather front is shown?

2. Base your answers to questions 7 and 8 on the weather map below, which shows two fronts associated with
a low-pressure system.
7. On the weather map above, write the air-mass symbols to indicate the most likely locations of the
continental polar air mass and maritime tropical air mass that have formed this low-pressure system.
8. Which type of weather front has entered New York State?

3. 9. Base your answer to the following question on the Earth
Science Reference Tables and the weather map of the
United States below.
A) cold front B) warm front
C) stationary front D) occluded front
Which kind of frontal system is located northwest of
Miles City, Montana?
10. Base your answer to the following question on the
satellite image below, which shows cloud patterns
associated with weather fronts over the United States on
a certain day. The states of Nebraska (NE) and North
Carolina (NC) have been labeled.
A) cold front B) warm front
C) stationary front D) occluded front
Which type of front was producing the weather in
Nebraska when this image was taken?