Climate Change — Unit test Answers

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1
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Which event may occur when ocean salinity increases?

A
mass of water increases
B
freezing point of water increases
C
sunlight in deeper locations decreases
D
amount of dissolved gases in water increases
2
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Which correctly lists the three main ocean zones?

A
deep, neritic, surface
B
intertidal, deep, surface
C
neritic, intertidal, open ocean
D
open ocean, deep, continental
3

Which type of precipitation is most likely to form during a thunderstorm?

A
sleet
B
hail
C
snow
D
freezing rain
4

Which technology collects data for weather, climate, and environmental monitoring from space?

A
radar
B
satellites
C
weather stations
D
weather balloons
5

Which material is an aquifer layer most likely made of?

A
soil
B
clay
C
solid granite
D
cracked rocks
6

The image below shows a weather service map.

Question illustration
A
shows isolines and isobars
B
shows types of precipitation
C
was created for newspapers
D
is probably not used to make forecasts
7

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.
8

During the entire month of June, temperatures increase in the Northern Hemisphere and decrease in the Southern Hemisphere.What causes these temperature changes?

A
The Sun reaches its lowest point in the sky.
B
The Sun reaches its highest point in the sky.
C
The north end of Earth’s axis is tilted toward the Sun.
D
The south end of Earth’s axis is tilted toward the Sun.
9

Why does a coastal area have less variation in temperature than a noncoastal area?

A
Temperatures feel cool all year round due to the duration of daylight.
B
Temperatures change from warm to cool depending on the season.
C
The temperatures on land change more rapidly than temperatures on water.
D
The air is warm because warm water moves from the equator to the poles.
10

What are the characteristics of continental tropical air masses?

A
They have cool, dry air.
B
They have warm, dry air.
C
They have cool, moist air.
D
They have warm, moist air.
11

During thunderstorm formation, a lot of energy builds up in cumulonimbus clouds because some processes that help form the cloud and that occur within the cloud give off energy.What process helps build up energy in cumulonimbus clouds?

A
Water droplets freeze in the cumulonimbus clouds.
B
Warm air sinks as the cumulonimbus clouds form.
C
Warm, moist air mass collides with a cold, dry air mass.
D
Ice crystals in the upper atmosphere melt.
12

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
13

Which substance may lower air temperatures after a volcanic eruption?

A
lava
B
sulfur dioxide
C
carbon dioxide
D
water vapor
14

Which statement describes an attribute of an artesian well?

A
requires a bucket
B
uses natural pressure
C
needs a mechanical pump
D
is heated by hot rocks or magma
15

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.
16

Which is one characteristic of deep ocean currents?

A
Deep ocean currents move quickly.
B
Deep ocean currents are caused by winds.
C
Deep ocean currents move cold water toward the equator.
D
Deep ocean currents are affected by temperature but not by salinity.
17

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
18

Which action causes breakers?

A
Waves hit the shore at an angle and transport sand.
B
Water flows away from the shore and moves sand with it.
C
Underwater earthquakes cause motion throughout ocean water.
D
Waves meet the shore and cause the crest to spill over the trough.
19

How is cold front formation different from stationary front formation?

A
Stationary fronts form between warm and cold air masses, while cold fronts form when a cold air mass advances against a warm air mass.
B
Cold fronts form between two air masses that barely move, while stationary fronts form when a warm air mass is trapped between two cold air masses.
C
Cold fronts form when a warm air mass moves over a cold air mass, while stationary air fronts form when a cold air mass moves over a warm air mass.
D
Stationary fronts form when a warm air mass is trapped between two cold air masses, while cold fronts form when a warm air mass moves over a cold air mass.
20

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

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