Ocean Currents Question Preview (ID: 2820)


Questions Over Surface Currents And Deep Currents. TEACHERS: click here for quick copy question ID numbers.

What are surface currents formed by?
a) Global winds
b) the moon's gravity
c) the sun's gravity
d) increased water density

Streamlike movements of the water that occur at or near the surface of the ocean are called
a) jet currents
b) Coriolis currents
c) deep currents
d) surface currents

Streamlike movements of ocean water far below the surface are called
a) jet currents
b) Coriolis currents
c) deep currents
d) surface currents

Deep currents form
a) along the ocean floor
b) only near the equator
c) as undertows recede from shore
d) from underwater volcanic eruptions

Which of the following does NOT control surface currents?
a) global wind
b) tides
c) Coriolis effect
d) continental deflections

Most ocean waves are formed by
a) earthquakes
b) landslides
c) impacts of cosmic bodies
d) wind

What are waves that form when a large volume of ocean water is suddenly moved up or down?
a) Storm surges
b) Swells
c) Tsunamis
d) Whitecaps

Which of the following could cause a tsunami?
a) an earthquake
b) an increase in the salinity of the water
c) a decrease in the salinity of the water
d) heavy winds

The highest point of a wave is called the
a) trough
b) crest
c) wavelength
d) waveheight

The lowest point of a wave is called the
a) trough
b) crest
c) wavelength
d) waveheight

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