North Carolina Science Grade 8

Chapter 7: Oceans

Section 2 Self-Check Quiz-Eng.

1.
Water currents in the ocean curve because of __________.
A)wind
B)the Coriolis effect
C)the Sun
D)upwellings
2.
Water is set in motion by __________.
A)the Coriolis effect
B)wind
C)stationary objects
D)upwellings
3.
__________ distribute heat from one region to another.
A)Surface currents
B)Density layers
C)Surface layers
D)Density currents
4.
Warm surface currents run past all of the following areas EXCEPT __________.
A)Iceland
B)Florida
C)California
D)North Carolina
5.
Density currents occur when __________.
A)more dense seawater sinks beneath less dense seawater
B)winds blow across the surface of the water
C)the Coriolis effect is in action
D)surface water begins to warm up
6.
Ocean currents that form when coastal waters are blown away from shore are called a(n) __________.
A)density current
B)upwelling
C)surface current
D)coastal current
7.
If density currents stopped forming, all of the following results may occur EXCEPT __________.
A)changing rainfall patterns
B)decreasing temperatures
C)increasing temperatures
D)increased upwellings
8.
The height of an ocean wave is affected by all of the following EXCEPT the __________.
A)wind velocity
B)length of time the wind blows
C)temperature of the wind
D)distance over which the wind blows
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