Unit Test — Cumulative exam Answers

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Which statement describes one way that wind energy is different from energy from fossil fuels?

A
Wind energy reliability can be inconsistent.
B
Wind energy produces larger quantities of energy.
C
Wind energy can be reproduced quickly.
D
Wind energy produces more pollution.
3

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.
4

Which causes a sea breeze?

A
Air temperatures are cooler than normal.
B
Air flows from the poles toward the equator.
C
Air blows over long distances at different speeds.
D
Air above land warms quicker than air over water.
5

What percentage of Earth’s water is fresh water?

A
3 percent
B
25 percent
C
75 percent
D
97 percent
6

Which is an issue that governments must consider before passing conservation policies?

A
urbanization implications
B
cost to implement conservation policies
C
desertification implications
D
cost to implement deforestation
7

Red wolves are an endangered species in the United States. Which agency is responsible for their protection?

A
National Park Service
B
US Fish and Wildlife Service
C
US Forest Service
D
Bureau of Land Management
8

Which could cause topsoil to be lost?

A
wind and water erosion
B
lack of use
C
compaction
D
desertification
9

Which statement describes a disadvantage of using natural gas as an energy source?

A
It is expensive to use.
B
It is hard to stop using.
C
It is a renewable resource.
D
It is scarce in some parts of the world.
10

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
11

Which activity is part of managing water resources?

A
studying water to see whether it is polluted
B
taking a long hot bath to stay warm
C
drinking water and using it for swimming and boating
D
transporting water to areas where it is needed
13

Which statement accurately describes one role of water on Earth?

A
Water in plants and animals transports nutrients into cells.
B
Water reflects sunlight that hits the oceans.
C
Water builds up rock and soil.
D
Water holds heat by trapping it within the equator.
14

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.
16

Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere?

A
radon, carbon monoxide, oxygen
B
carbon dioxide, nitrogen, oxygen
C
nitrogen, carbon dioxide, carbon monoxide
D
carbon dioxide, radon, oxygen
17

Which is a cause of desertification?

A
farming
B
creating reservoirs
C
overgrazing
D
driving motor vehicles
18

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
19

Which statement best describes monsoons?

A
They force cool, moist air from oceans to rise.
B
They are winds that blow in the opposite direction of a normal wind.
C
They bring heavy rain in the winter and in the summer.
D
They influence precipitation as wind moves near a mountain.
20

How do oxbow lakes form?

A
Rivers are dammed, and the water builds up, creating a lake.
B
Runoff pools in areas of low elevation, creating a temporary lake.
C
Rivers wear away banks until the bank is broken and the river flows straight.
D
Glaciers leave deep channels in the ground, which fill with water and become a lake.

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