Section #: 12.2
Weather Systems
Practice Test
1.
High-pressure systems usually are associated with __________ and low-pressure systems are associated with __________.
SC.D.1.4.1
a.
the jet stream, fronts
b.
fair weather, fair weather
c.
clouds and precipitation, fair weather
d.
fair weather, clouds and precipitation
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.
cold
d.
stationary
Hint
3.
What causes the Coriolis effect?
SC.D.1.4.1
a.
the prevailing westerlies
b.
seasons
c.
Earth's rotation
d.
Earth's tilted axis
Hint
4.
A __________ is a narrow region that separates two air masses of different densities.
SC.D.1.4.1
a.
trade wind
b.
front
c.
jet stream
d.
disturbance
5.
What is the convergence of the trade winds from both hemispheres called?
SC.D.1.4.1
a.
the prevailing westerlies
b.
the intertropical convergence zone
c.
the horse latitudes
d.
the jet stream
Hint
6.
What wind system occurs at 30 degrees north and south of the equator?
SC.D.1.4.1
a.
the trade winds
b.
the prevailing westerlies
c.
the polar easterlies
d.
the jet stream
