Ocean Circulation Answers

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Which statements describe currents in the oceans? Check all that apply.El Niño is a current of water between Australia and North America.Currents occur at the surface of and deep within the ocean.The Coriolis effect contributes to the direction of current flow.Currents often change in unpredictable ways, causing climate change.Wind direction, the spin of Earth, and differences in temperature contribute to currents.

A
El Niño is a current of water between Australia and North America.
B
Currents occur at the surface of and deep within the ocean.
C
The Coriolis effect contributes to the direction of current flow.
D
Currents often change in unpredictable ways, causing climate change.
E
Wind direction, the spin of Earth, and differences in temperature contribute to currents.
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A✔ BC

A
A
B
✔ B
C
C
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the Coriolis effect✔ the moon’s gravitydeep ocean currents

A
the Coriolis effect
B
✔ the moon’s gravity
C
deep ocean currents
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Which statement describes the principles on which tidal energy works?

A
Kinetic energy in the motion of water is converted to electricity.
B
Potential energy in the motion of water is converted to electricity.
C
Chemical energy from salt water is converted to electricity.
D
Mechanical energy from water is converted into electricity.
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Which statements describe the movement of ocean currents around the globe? Check all that apply.Strong winds force warm water to sink to the ocean floor.The Coriolis effect causes warm and cold water to mix.Cool dense water sinks to the ocean floor.Warm water replaces cool surface water.Wind blowing parallel to the shore causes upwelling of cool water.

A
Strong winds force warm water to sink to the ocean floor.
B
The Coriolis effect causes warm and cold water to mix.
C
Cool dense water sinks to the ocean floor.
D
Warm water replaces cool surface water.
E
Wind blowing parallel to the shore causes upwelling of cool water.
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The spin of Earth creates the Coriolis effect. This effect causes which current patterns to occur? Check all that apply.

A
Surface ocean water in the Northern Hemisphere moves clockwise.
B
Surface ocean water in the Southern Hemisphere moves clockwise.
C
Surface ocean water in the Northern Hemisphere moves counterclockwise.
D
Surface ocean water in the Southern Hemisphere moves counterclockwise.
E
Surface ocean water moves clockwise in both hemispheres.
F
Surface ocean water moves counterclockwise in both hemispheres.
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Which factors cause ocean water to become denser? Check all that apply.an increase in energya decrease in energyan increase in temperaturea decrease in temperaturean increase in salinitya decrease in salinity

A
an increase in energy
B
a decrease in energy
C
an increase in temperature
D
a decrease in temperature
E
an increase in salinity
F
a decrease in salinity

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