Ocean Circulation

Question 1

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 2

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 3

Which best describes a tsunami?

Revolt · Accepted Answer

large powerful wave caused by an earthquake

Question 4

Which phenomenon causes oceans to bulge?

Revolt · Accepted Answer

the moon’s gravity

Question 5

Which two words identify the scientific parts of a wave?

Revolt · Accepted Answer

crest and trough

Question 6

Which statement explains what upwelling causes?

Revolt · Accepted Answer

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

Question 7

Which factor drives surface ocean currents?

Revolt · Accepted Answer

wind energy

Question 8

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

Revolt · Accepted Answer

wind

Question 9

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

Revolt · Accepted Answer

Earth’s rotation

Question 10

How frequently do most coastal areas experience high tides?

Revolt · Accepted Answer

twice a day

Ocean Circulation Answers