AnswersOC27 EarthSpace Sci-2001310-S1-NelsonUnit Test

Unit 4: Test Answers

20 verified answers
1
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Which major type of air mass forms over warm water?

A
maritime polar
B
continental polar
C
maritime tropical
D
continental tropical
2
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Which is part of the process in the formation of hail pellets?

A
They are tossed up and down in clouds.
B
They lose layers of ice and grow smaller.
C
They grow to less than 5 mm in diameter.
D
They form ice crystals directly from water vapor.
3

Which belt is a global wind belt found in the middle latitudes?

A
doldrums
B
jet streams
C
trade winds
D
prevailing westerlies
4

Examine the weather map.

Question illustration
6
60°F to 69°F
7
70°F to 79°F
8
80°F to 89°F
9
90°F to 99°F
5

Allen made a diagram to compare radiation and conduction.

Question illustration
M
Must involve temperature differences between substances or objects
O
Occurs when molecules are in direct contact
I
Involves the movement of fluids based on density differences
C
Can occur where there is little or no matter
6

Where are jet streams found?

c
close to the poles
i
in the middle latitude
t
toward the equator
i
in the upper atmosphere
7

What must occur for air masses to form fronts?

A
They must increase in strength.
B
They must collide with each other.
C
They must move from west to east.
D
They must create air-pressure differences.
8

Which high-altitude wind system varies in speed based on its distance from the equator and plays a significant role in directing air masses across the globe?

p
polar winds
j
jet streams
c
currents at the equator
t
thermal currents
9

Which event is associated with tornados?

s
sea levels rising due to high waves
c
coastal flooding due to storm surge
p
paths of damage up to 50 miles long
w
wind and rain lasting for several days
10

What leads to the formation of a windchill factor?

A
Earth’s rotation influences air movement along a curved path.
B
Air flows steadily from different directions at certain wind speeds.
C
Warm air rises when an area of high pressure is present over land.
D
There is a change in air temperature and increase in high wind speeds.
11

Jena draws a Venn diagram to compare floods and storm surges.

Question illustration
c
can be caused by hurricanes
p
push water onto the shore
p
pose the greatest threat to coastal residents
p
pose the greatest threat to inland residents
12

What does relative humidity measure?

A
the amount of water in cirrus clouds
B
the amount of water that has evaporated into the air
C
the amount of frozen water that has condensed from the air
D
the amount of water vapor in the air compared to the amount the air can hold
13

Which organisms release carbon dioxide as waste?

c
consumers only
c
consumers and decomposers
p
producers and decomposers
p
producers only
14

Sydney drew a flow chart to illustrate the nitrogen cycle.

Question illustration
X
X: Producers undergo photosynthesis.Y: Nitrogen compounds are released into the air.
X
X: Nitrogen compounds are released into the air.Y: Producers undergo photosynthesis.
X
X: Free nitrogen is in the atmosphere.Y: Producers absorb nitrogen compounds through their roots.
X
X: Producers absorb nitrogen compounds through their roots.Y: Free nitrogen is in the atmosphere.
15

Which type of cloud forms close to the ground when the temperature is just above the dew point?

A
cirrus
B
cumulus
C
fog
D
stratus
16

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
17

Study the diagram.What is forming in the diagram?

Question illustration
A
a front
B
a hurricane
C
a thunderstorm
D
a tornado
18

Which weather event is typically brief, contains very strong winds, and leaves a path of destruction up to 50 miles long?

A
a cyclone
B
a hurricane
C
a thunderstorm
D
a tornado
19

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
21

What happens to jet streams as they get closer to the equator?

A
They blow faster.
B
They do not change.
C
They dissolve.
D
They blow slower.

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