Glencoe Earth Science

Chapter 18: Ocean Motion

Section 2 Self-Check Quiz-Eng.

1.
Cold water rises to the surface in __________.
A)density currents
B)temperature currents
C)depth currents
D)upwellings
2.
The Coriolis effect is caused by __________.
A)temperature changes
B)density changes
C)salinity changes
D)Earth's rotation
3.
Currents south of the equator are turned counterclockwise because of __________.
A)cold water rising
B)the cold polar regions
C)the warm equator
D)the Coriolis effect
4.
West coast cold surface currents originate __________.
A)near the poles
B)near the equator
C)deep within the ocean
D)from the atmosphere
5.
Warm surface currents affect the water temperature along the __________ coast of continents.
A)north
B)south
C)west
D)east
6.
When salt water changes in density, a(n) __________ occurs.
A)density current
B)Coriolis effect
C)upwelling
D)surface current
7.
When seawater freezes, which type of current is produced?
A)surface
B)upwelling
C)density
D)coastal
8.
Which of the following does NOT have an effect on the density of seawater?
A)evaporation of water
B)freezing of water
C)heating of water
D)motion of water
9.
Ocean circulation resulting from wind blowing along the coast is called a(n) __________.
A)density current
B)upwelling
C)coastal current
D)surface current
10.
Density currents cannot form by a(n) __________.
A)increase in salinity
B)decrease in temperature
C)windstorm
D)sinking of cold water
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