Meteorology
Practice Test
1.
The exchange of heat or moisture between an air mass and the underlying surface is called __________.
SC.D.1.4.1
a.
air mass convection
b.
air mass weather
c.
air mass modification
d.
climate
2.
What type of instrument probably was not used to provide the information in the station model pictured in the figure?
SC.D.1.4.1
a.
barometer
b.
anemometer
c.
thermometer
d.
Doppler radar
3.
A __________ is a narrow region that separates two air masses of different densities.
SC.D.1.4.1
a.
jet stream
b.
trade wind
c.
disturbance
d.
front
4.
What is the network of weather stations located across the United States called?
SC.D.1.4.1
a.
a ceilometer
b.
weather radar system
c.
Automated Surface Observing System
ASOS
d.
radiosondes
5.
A __________ is a record of weather data for a particular location and time.
SC.D.1.4.1
a.
digital forecast
b.
ceilometer
c.
isopleth
d.
station model
6.
What instrument is used to measure temperature?
SC.D.1.4.1
a.
an anemometer
b.
a barometer
c.
a radiosonde
d.
a thermometer
7.
Long-term variations in weather for a particular area make up the__________ of an area.
SC.D.1.4.1
a.
meteorology
b.
stability
c.
weather
d.
climate
8.
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.
cold
b.
warm
c.
stationary
d.
occluded
9.
What type of instrument is used to measure wind speed?
SC.D.1.4.1
a.
a hygrometer
b.
an anemometer
c.
a barometer
d.
a ceilometer
10.
What is a large body of air that takes on the characteristics of the area over which it forms?
SC.D.1.4.1
a.
a climate
b.
an air mass
c.
a cloud
d.
a weather system
11.
__________ is used to measure the speed of raindrops toward or away from a specific point.
SC.D.1.4.1
a.
Doppler radar
b.
ASOS
c.
a radiosonde
d.
A ceilometer
12.
What causes the Coriolis effect?
SC.D.1.4.1
a.
the prevailing westerlies
b.
seasons
c.
Earth's tilted axis
d.
Earth's rotation
13.
According to the station model shown in the figure, how much has the barometric pressure changed over the last three hours?
SC.D.1.4.1
a.
12 millibars
b.
--12 millibars
c.
--1.2 millibars
d.
1.2 millibars
14.
Use the table to infer something about the climate of this area.
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.
It is often very hot.
b.
Rainfall is extremely common.
c.
It is often very cold.
d.
It receives occasional rainfall.
15.
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.
clouds and precipitation, fair weather
c.
fair weather, fair weather
d.
fair weather, clouds and precipitation
16.
A forecast that involves comparing current weather patterns to past weather patterns is called __________.
SC.D.1.4.1
a.
an analog forecast
b.
an isobar
c.
a digital forecast
d.
a station model
17.
A forecast that relies on numerical data is called __________.
SC.D.1.4.1
a.
a digital forecast
b.
an isopleth
c.
an analog forecast
d.
a station model
18.
What is the convergence of the trade winds from both hemispheres called?
SC.D.1.4.1
a.
the jet stream
b.
the prevailing westerlies
c.
the intertropical convergence zone
d.
the horse latitudes
19.
What is the current state of the atmosphere called?
SC.D.1.4.1
a.
weather
b.
stability
c.
climate
d.
rain
20.
What are four- to seven-day forecasts based on?
SC.D.1.4.1
a.
patterns and cycles
b.
circulation patterns of the troposphere
c.
current weather
d.
observation of cloud and precipitation movement
