Section #: 12.1
The Causes of Weather
Practice Test
1.
What is a large body of air that takes on the characteristics of the area over which it forms?
a.
an air mass
b.
a weather system
c.
a climate
d.
a cloud
Hint
2.
Use the table to infer something about the climate of this area.
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.
It is often very cold.
c.
Rainfall is extremely common.
d.
It receives occasional rainfall.
Hint
3.
The exchange of heat or moisture between an air mass and the underlying surface is called __________.
a.
climate
b.
air mass modification
c.
air mass weather
d.
air mass convection
Hint
4.
Long-term variations in weather for a particular area make up the __________ of an area.
a.
meteorology
b.
stability
c.
climate
d.
weather
Hint
5.
What is the current state of the atmosphere called?
a.
weather
b.
climate
c.
rain
d.
stability
Hint