Unit Test — Unit test Answers

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21
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Which process contributes to the formation of tornados?

A
Water droplets freeze, giving off energy.
B
The storm begins to rotate around a central eye.
C
The Coriolis effect creates the spin of the storm.
D
Warm air rises, resulting in a decrease in air pressure.
22
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Examine the weather map.

Question illustration
A
60°F to 69°F
B
70°F to 79°F
C
80°F to 89°F
D
90°F to 99°F
23

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?

A
polar winds
B
jet streams
C
currents at the equator
D
thermal currents
24

What must happen for most areas on Earth to experience all four seasons?

A
The Sun must reach its highest point in the sky.
B
The Northern Hemisphere must experience winter.
C
The axis must be tilted at a certain angle that remains unchanged.
D
The north end of Earth’s axis must always point away from the Sun.
25

Which is a negative effect of rising ocean temperatures?

A
the drying out of fertile land and the formation of dust bowls
B
the flooding of low-lying coastal areas
C
the faster evaporation of water in the soil
D
the decreased frequency of major storms
26

Which is one source that scientists use to reconstruct past climate conditions?

A
fossils frozen in glaciers
B
daily temperatures
C
the tilt of Earth’s axis
D
running water
27

Which is one way that analyzing ice benefits scientists who study ancient climates?

A
Scientists can analyze frozen volcanic dust to help predict eruptions.
B
Scientists can study the layers of ice cores to gather information about past atmospheric composition.
C
Scientists can use sand grains in ice to make inferences about the climate area.
D
Scientists can study tree rings in ice to learn more about past climates.
28

Which event is associated with tornados?

A
sea levels rising due to high waves
B
coastal flooding due to storm surge
C
paths of damage up to 50 miles long
D
wind and rain lasting for several days
29

How does altitude affect climate patterns in a region?

A
Areas at high elevations have cooler temperatures.
B
Air continues to warm as it rises to a higher elevation.
C
Tropical regions do not have many differences in altitude.
D
High-altitude areas have less variation in seasonal temperatures.
30

Which describes one characteristic of both El Niño and La Niña?

A
Both are causes of long-term climate change.
B
Both create warmer water.
C
Both occur in the Pacific Ocean.
D
Both are causes of hurricane activity.
31

Which two characteristics do polar and dry climates have in common?

A
high altitude and very cold winters
B
very cold winters and contrasting seasons
C
contrasting seasons and very little precipitation
D
very little precipitation and few, specialized plants
32

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.
33

Which correctly lists three factors that are important to consider when forecasting weather?

A
clouds, isotherm, butterfly effect
B
isotherm, air pressure, temperature
C
air pressure, temperature, clouds
D
temperature, clouds, isotherm
34

Which describes an effect that ocean currents have on short-term climate change?

A
Ocean currents increase the strength of prevailing winds, which can cool the air and land.
B
Ocean currents can carry cold water, which can cool the air and land.
C
Ocean currents increase hurricane activity, which can raise the temperature of the air and land.
D
Ocean currents carry cold water, which may not affect hurricane activity and lower the temperature of the air and land.
35

Sara was caught in a thunderstorm while outdoors. She immediately makes sure that she is not near any tall structures or trees. What is Sara most likely trying to avoid?

A
being struck by lightning
B
being hit by thunder
C
being caught by falling hail
D
being carried away by strong winds
36

In December, a city in the Southern Hemisphere has warm weather all month long.What causes this to happen?

A
The city experiences fewer hours of daylight.
B
The city is experiencing a winter solstice.
C
There is a high concentration of the Sun’s rays in that region.
D
The Sun reaches its highest point in the sky during this month.
37

Which climate is a subcategory of temperate marine climates?

A
arid
B
humid subtropical
C
humid continental
D
tundra

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