Unit Test — Unit test Answers

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1
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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.
2
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Which describes sand?

A
fine-grained
B
retains water
C
water drains quickly
D
good for growing crops
3

Which material is an aquifer layer most likely made of?

A
soil
B
clay
C
solid granite
D
cracked rocks
4

Which particle has a high rate of deposition?

A
a low-density particle
B
a small particle falling off a cliff
C
a particle with jagged, rough ends
D
a large round particle settling on a surface
5

Which phrase describes one type of freshwater wetland?

A
acidic areas found in northern climates
B
reservoirs created by dams at the end of rivers
C
areas of high elevation that feed into river systems
D
large, deep body of water that contains fresh water
8

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
10

Which open-ocean zone order shows decreasing temperature?

A
deep zone, transition zone, surface zone
B
surface zone, transition zone, deep zone
C
transition zone, surface zone, deep zone
D
surface zone, deep zone, transition zone
11

A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily.Which two materials should she choose?

A
clay and gravel
B
gravel and loosely packed soil
C
granite and rocks with cracks
D
rocks with cracks and clay
13

Which feature is created by deposition from rivers?

A
rills
B
meanders
C
alluvial fans
D
gullies
14

Which correctly lists three places that fresh water is found?

A
rivers, oceans, lakes
B
oceans, coastal wetlands, seas
C
ice sheets, water vapor, rivers
D
water vapor, streams, oceans
15

Which correctly lists three water sources that contribute to a river system?

A
groundwater, ponds, streams
B
lakes, rivers, ponds
C
rivers, streams, watersheds
D
streams, lakes, oceans
16

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.
17

Which event typically causes upwelling?

A
Wind blows warm water away from the shore.
B
Warm water rises to the surface of the ocean.
C
Neap tides move cold water away from the shore.
D
Cold water falls to the bottom of the ocean and pushes warm water up.
18

Which condition leads to a slower rate of weathering?

A
porous rocks
B
cold climates
C
hard minerals
D
high temperatures
19

Which correctly lists the three processes that are affected by freeze and thaw cycles?

A
creep, landslide, and deposition
B
deposition, creep, and weathering
C
landslide, slump, and deposition
D
slump, weathering, and creep
20

A farmer is analyzing cross sections of his land to determine where to build a well. Which phrase describes the best area to dig down to the groundwater?

A
where the saturated zone is 15 meters deep
B
where the water table is at 100 meters deep
C
where the unsaturated zone is 50 meters thick
D
where there is a 25-meter thick clay layer at the surface

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