AnswersSLPS-2001340-Environmental-Science A -GFLab: Measurement

Ocean Circulation Answers

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1
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Which factor drives surface ocean currents?

A
wind energy
B
solar energy
C
pull of the moon
D
movement of turbines
2
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How frequently do most coastal areas experience high tides?

A
twice a day
B
twice a month
C
four times a day
D
four times a month
3

Which phrase best describes surface currents?

A
up-and-down ocean movement caused by wind
B
waves that hit the shore at an angle and transport sand
C
streams of warm water flowing through the ocean and caused by wind
D
waves that approach the shore and cause their crests to fall into their troughs
4

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

A
currents
B
earthquakes
C
sunlight
D
wind
5

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.
6

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
7

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
8

Why are electrical outputs from a turbine generator highest during a spring tide?

A
A high tide comes in faster.
B
The gravitational pull of the moon is less.
C
The Sun and the moon pull in opposite directions.
D
The difference between high tide and low tide is the greatest.
9

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
10

Which best describes a tsunami?

A
large powerful wave caused by an earthquake
B
when the waves hit the shore at an angle and transport sand
C
alternating rise and fall of the ocean
D
an irregular climate event caused by ocean currents in the Pacific Ocean

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