Meteorology
Practice Test
1.
__________ is used to measure the speed of raindrops toward or away from a specific point.
SC.D.1.4.1
a.
A ceilometer
b.
a radiosonde
c.
Doppler radar
d.
ASOS
2.
What instrument is used to measure temperature?
SC.D.1.4.1
a.
a radiosonde
b.
a barometer
c.
an anemometer
d.
a thermometer
3.
What wind system occurs at 30 degrees north and south of the equator?
SC.D.1.4.1
a.
the jet stream
b.
the prevailing westerlies
c.
the polar easterlies
d.
the trade winds
4.
What are four- to seven-day forecasts based on?
SC.D.1.4.1
a.
circulation patterns of the troposphere
b.
patterns and cycles
c.
current weather
d.
observation of cloud and precipitation movement
5.
What is the current state of the atmosphere called?
SC.D.1.4.1
a.
climate
b.
rain
c.
weather
d.
stability
6.
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.
occluded
b.
cold
c.
stationary
d.
warm
7.
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 weather system
b.
a cloud
c.
an air mass
d.
a climate
8.
Long-term variations in weather for a particular area make up the__________ of an area.
SC.D.1.4.1
a.
climate
b.
stability
c.
weather
d.
meteorology
9.
What is the network of weather stations located across the United States called?
SC.D.1.4.1
a.
radiosondes
b.
Automated Surface Observing System
ASOS
c.
weather radar system
d.
a ceilometer
10.
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.
Doppler radar
b.
barometer
c.
anemometer
d.
thermometer
11.
A __________ is a record of weather data for a particular location and time.
SC.D.1.4.1
a.
isopleth
b.
station model
c.
digital forecast
d.
ceilometer
12.
A __________ is a narrow region that separates two air masses of different densities.
SC.D.1.4.1
a.
trade wind
b.
disturbance
c.
front
d.
jet stream
13.
A forecast that involves comparing current weather patterns to past weather patterns is called __________.
SC.D.1.4.1
a.
an isobar
b.
an analog forecast
c.
a station model
d.
a digital forecast
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 receives occasional rainfall.
b.
Rainfall is extremely common.
c.
It is often very cold.
d.
It is often very hot.
15.
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
16.
What causes the Coriolis effect?
SC.D.1.4.1
a.
seasons
b.
the prevailing westerlies
c.
Earth's tilted axis
d.
Earth's rotation
17.
What type of instrument is used to measure wind speed?
SC.D.1.4.1
a.
a hygrometer
b.
a ceilometer
c.
a barometer
d.
an anemometer
18.
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, clouds and precipitation
c.
fair weather, fair weather
d.
clouds and precipitation, fair weather
19.
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 modification
c.
air mass weather
d.
climate
20.
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.
1.2 millibars
c.
--12 millibars
d.
--1.2 millibars
