Section #: 12.2
Weather Systems
Practice Test
1.
What is the convergence of the trade winds from both hemispheres called?
SC.D.1.4.1
a.
the horse latitudes
b.
the intertropical convergence zone
c.
the jet stream
d.
the prevailing westerlies
Hint
2.
The data in the table shows weather conditions before and after a front passed. What type of front passed through?
SC.D.1.4.1
Mon
Tue
Wed
Thurs
Fri
Sat
Sun
Average temperature
°C
23.3
22.2
22.2
15.6
16.7
16.7
17.8
Rainfall
cm
0
0
3.31
0
0
0
0
Relative humidity
40‰
60‰
100‰
80‰
60‰
50‰
40‰
Air pressure
mb
1000
998
-
-
-
-
-
a.
warm
b.
occluded
c.
stationary
d.
cold
Hint
3.
What wind system occurs at 30 degrees north and south of the equator?
SC.D.1.4.1
a.
the prevailing westerlies
b.
the trade winds
c.
the jet stream
d.
the polar easterlies
4.
High-pressure systems usually are associated with __________ and low-pressure systems are associated with __________.
SC.D.1.4.1
a.
clouds and precipitation, fair weather
b.
fair weather, clouds and precipitation
c.
fair weather, fair weather
d.
the jet stream, fronts
Hint
5.
What causes the Coriolis effect?
SC.D.1.4.1
a.
Earth's rotation
b.
the prevailing westerlies
c.
Earth's tilted axis
d.
seasons
Hint
6.
A __________ is a narrow region that separates two air masses of different densities.
SC.D.1.4.1
a.
front
b.
jet stream
c.
disturbance
d.
trade wind
