AnswersDRHS GA-GSE Earth SystemsUnit Test

Unit Test — Unit test Answers

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1
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Which statement describes an important role of carbon dioxide in Earth’s atmosphere?

A
Animals breathe carbon dioxide.
B
Plants use carbon dioxide to make food.
C
Carbon dioxide helps animals make proteins.
D
Carbon dioxide forms clouds that produce rain.
2
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Which type of precipitation is most likely to form during a thunderstorm?

A
sleet
B
hail
C
snow
D
freezing rain
3

Which description refers to fog?

A
burns off when it gets dark
B
extends up to 10 miles into the sky
C
is found in areas near bodies of water
D
forms when the ground warms at night after a cool, dry day
4

Which lists the layers of the atmosphere from Earth's surface outward?

A
troposphere, stratosphere, mesosphere, thermosphere
B
troposphere, mesosphere, stratosphere, thermosphere
C
thermosphere, stratosphere, mesosphere, troposphere
D
stratosphere, troposphere, mesosphere, thermosphere
5

Look at the diagram showing the different wavelengths in sunlight.

Question illustration
A
They take the form of heat.
B
They can cause skin cancer and sunburn.
C
They are some of the shortest waves.
D
They can be seen by human eyes as visible light.
6

What path do global winds follow due to the Coriolis effect?

A
a curved path
B
a random path
C
a straight path
D
a vertical path
7

Which is an example of convection currents?

A
marshmallows toasting over a campfire
B
a pot being heated by an electric burner
C
feet getting hot when stepping across sand
D
a radiator emitting warm air and drawing in cool air
8

Which blow from west to east, following the boundary between hot and cold air?

A
trade winds
B
sea breezes
C
jet stream
D
polar easterlies
9

Study the image.

Question illustration
A
Cool air is above water.
B
Warm air is above land.
C
Warm air is cooling quickly.
D
Cool air is warming quickly.
10

Which phrase describes air pressure?

A
decreases with denser air
B
decreases as altitude decreases
C
equals mass divided by volume
D
decreases as a result of fewer air particles pushing down
11

Which refers to solid ice that condenses and forms on surfaces like grass or windows?

A
dew
B
frost
C
hail
D
sleet
12

Which description refers to stratus clouds?

A
are thin and wispy
B
are round and fluffy
C
cover all or most of the sky
D
form at high altitudes
13

The image shows a diagram explaining a concept.

Question illustration
A
temperature
B
altitude
C
air density
D
air pressure
14

Which is one factor that adds to the greenhouse effect?

A
a decrease in the amount of dust in the atmosphere
B
a decrease in the amount of water on Earth’s surface
C
an increase in gases in the atmosphere that absorb heat
D
an increase in the amount of solar radiation that reflects into space
15

Study the arrow that is circled in the image.

Question illustration
A
Warm air is rising.
B
Cool air is sinking.
C
There is a difference in air pressure.
D
Cool air is less dense than warm air.
16

What can happen to solar radiation when it enters Earth’s atmosphere?

A
It is increased as it hits the clouds.
B
It is absorbed or reflected as it travels to Earth’s surface.
C
It is changed into visible light.
D
It is destroyed by the water molecules in the atmosphere.
17

Study the image.

Question illustration
A
Air continuously blows away from the equator.
B
Air flows in different directions over long distances.
C
Air moves from regions of low pressure to high pressure.
D
Air circulates in an upward direction, creating surface winds.
18

How do ice and water on the ground affect incoming solar radiation?

A
They filter 22 percent of solar radiation that reaches the surface.
B
They reflect 4 percent of solar radiation that reaches the surface.
C
They absorb 100 percent of solar radiation that reaches the surface.
D
They scatter 5 percent of solar radiation that reaches the surface.
19

Which description refers to cirrus clouds?

A
are fluffy
B
are wispy
C
produce snow
D
form at low altitudes
20

Study the image.

Question illustration
A
1
B
2
C
3
D
4

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