AnswersMFISD ENVIRONMENTAL SYSTEMS B 22-23 CRUnit Test

Ocean Circulation Answers

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Convection refers to the movement of heat through a fluid, such as water. Which best describes one way that convection influences the circulation of ocean water?

A
Cold water at the surface flows toward the poles and sinks as it cools.
B
Deep, warm water flows toward the equator and rises as it cools.
C
Warm water at the surface flows toward the poles and sinks as it cools.
D
Deep, cold water flows toward the equator and rises as it cools.
2
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Which two words identify the scientific parts of a wave?

A
breaker and crest
B
crest and trough
C
current and breaker
D
drift and current
3

Which phrase describes neap tides?

A
occur four times a day
B
produce extra-low tidal ranges
C
caused only by the pull of the moon
D
occur at the same time as spring tides
4

Which event causes tides?

A
the blowing of the wind
B
the movement of warm and cool water
C
the interaction of the moon, the Sun, and Earth
D
the mixing of surface water and deep ocean water
5

Which factor drives surface ocean currents?

A
wind energy
B
solar energy
C
pull of the moon
D
movement of turbines
6

Which source provides the energy that causes most waves to form?

A
currents
B
earthquakes
C
sunlight
D
wind
7

Which phrase describes the tidal range?

A
the cause for the rotation of wind in a circular pattern
B
the difference between levels of high tide and low tide
C
the water that flows away from the shore and moves sand with it
D
the difference between the times the high tide and low time come in
8

Which statement explains what upwelling causes?

A
Upwelling causes tides to rise and fall.
B
Upwelling causes changes in the direction of currents.
C
Upwelling causes nutrients, minerals, and tiny organisms to rise.
D
Upwelling causes currents in the Pacific Ocean to change direction.
9

Which phenomenon causes oceans to bulge?

A
the blowing wind
B
the Coriolis effect
C
the moon’s gravity
D
the rotation of Earth
10

Ocean circulation is the large-scale movement of water in the ocean. It involves the transport of heat through convection, which is the movement of heat through liquids and gases.Which statement describes how convection moves heat in the ocean during non-El Niño (normal) years?

A
Convection moves heat toward the west.
B
Convection moves heat toward the east.
C
Convection moves heat toward the north.
D
Convection moves heat toward the south.

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