Ocean Circulation

Question 1

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

Revolt · Accepted Answer

The difference between high tide and low tide is the greatest.

Question 2

Which factor contributes to the formation of tides that turn turbines to create energy in the ocean?

Revolt · Accepted Answer

Earth’s rotation

Question 3

How frequently do most coastal areas experience high tides?

Revolt · Accepted Answer

twice a day

Question 4

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?

Revolt · Accepted Answer

Convection moves heat toward the west.

Question 5

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

Revolt · Accepted Answer

wind

Question 6

Which ocean movement do power plants use to produce usable energy?

Revolt · Accepted Answer

tides

Question 7

Which event causes tides?

Revolt · Accepted Answer

the interaction of the moon, the Sun, and Earth

Question 8

Which statement explains what upwelling causes?

Revolt · Accepted Answer

Upwelling causes nutrients, minerals, and tiny organisms to rise.

Question 9

How are currents in the Pacific Ocean affected by El Niño?

Revolt · Accepted Answer

Warm water moves to the east instead of to the west.

Question 10

Which phrase best describes surface currents?

Revolt · Accepted Answer

streams of warm water flowing through the ocean and caused by wind

Ocean Circulation Answers

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