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WorksheetsSPI 8.1 Part A
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What happens to the molecules in air as the air is warmed?
a)
The molecules move closer together.
b)
The molecules move farther apart.
2.
True or False:
Warm air is less dense than cooler air.
Warm air is less dense than cooler air.
a)
True
b)
False
3.
What happens to the molecules in air as the air is cooled?
a)
The molecules move further apart.
b)
The molecules move closer together.
4.
True or False:
Warm air is more dense than cooler air.
Warm air is more dense than cooler air.
a)
True
b)
False
5.
Warm air will _______.
a)
rise, because it becomes less dense.
b)
sink, because it becomes more dense.
c)
rise, because it becomes more dense
d)
sink, because it becomes less dense
6.
Warm air rising creates an area of ______ pressure.
a)
high
b)
low
7.
Cold air sinking creates an area of _____ pressure.
a)
high
b)
low
8.
Wind moves from areas of _____ pressure to areas of ______ pressure.
a)
high; low
b)
low: high
9.
True or False:
Convection currents in the atmosphere are responsible for Global and Local wind events.
Convection currents in the atmosphere are responsible for Global and Local wind events.
a)
True
b)
False
10.
True or False:
Cold air rising and warm air sinking creates convection currents.
Cold air rising and warm air sinking creates convection currents.
a)
True
b)
False
11.
Which one of the following statements is true?
a)
The Moon's gravity causes wind on Earth which creates convection currents.
b)
The Sun's unequal heating of the Earth causes convection currents which creates wind.
12.
True or False:
The circulation of warm air rising and cool air sinking is called a convection current.
The circulation of warm air rising and cool air sinking is called a convection current.
a)
True
b)
False
13.
Based on what you have learned about convention currents, which statement below makes the most sense?
a)
Cool air over the Equator rises and moves toward the Poles.
b)
Warm air over the Equator rises and moves toward the Poles.
14.
During the day, which heats up faster at the beach?
a)
the land
b)
the water
15.
During the night, which cools faster at the beach?
a)
the land
b)
the water
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