Earth Science: Geology, the Environment, and the Universe

Section 2: Weather Systems

Weather Systems

1
In __________, warm air displaces cold air and it develops a gradual frontal slope.
A)an occluded front
B)a stationary front
C)a cold front
D)a warm front
2
In the figure, what type of front is coming through Canada and into Colorado?
Click here to view figure (173.0K)
A)occluded
B)cold
C)warm
D)stationary
3
In __________, warm air is squeezed upward between two cold air masses.
A)a stationary front
B)a warm front
C)a cold front
D)an occluded front
4
What causes the Coriolis effect?
A)seasons
B)Earth's rotation
C)the prevailing westerlies
D)Earth's tilted axis
5
What is the convergence of the trade winds from both hemispheres called?
A)the jet stream
B)the intertropical convergence zone
C)the prevailing westerlies
D)the horse latitudes
6
High-pressure systems usually are associated with __________ and low-pressure systems are associated with __________.
A)fair weather, clouds and precipitation
B)fair weather, fair weather
C)clouds and precipitation, fair weather
D)the jet stream, fronts
7
Narrow bands of fast, high-altitude westerly winds are called __________.
A)the ITCZ
B)jet streams
C)prevailing westerlies
D)polar easterlies
8
A __________ is a narrow region that separates two air masses of different densities.
A)disturbance
B)jet stream
C)trade wind
D)front
9
The data in the table shows weather conditions before and after a front passed. What type of front passed through?
 MonTueWedThursFriSatSun
Average temperature (°C)23.322.222.215.616.716.717.8
Rainfall (cm)003.310000
Relative humidity40‰60‰100‰80‰60‰50‰40‰
Air pressure (mb)1000998-----

A)stationary
B)cold
C)warm
D)occluded
10
What wind system occurs at 30 degrees north and south of the equator?
A)the polar easterlies
B)the trade winds
C)the jet stream
D)the prevailing westerlies
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.