Ocean Currents

Ocean Currents

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

2.

FLASHCARD QUESTION

Front

What causes surface currents in the ocean?

Back

Surface currents are mainly caused by wind.

3.

FLASHCARD QUESTION

Front

What are deep currents?

Back

Deep currents are regular movements of water far below the ocean's surface.

4.

FLASHCARD QUESTION

Front

What causes deep ocean currents?

Back

Deep ocean currents are caused by density differences in water due to variations in temperature and salinity.

5.

FLASHCARD QUESTION

Front

What is the Coriolis Effect?

Back

The Coriolis Effect is the deflection of moving objects (like winds and currents) caused by the rotation of the Earth.

6.

FLASHCARD QUESTION

Front

How do warm and cold water affect ocean currents?

Back

Warm water tends to rise while cold water sinks, creating movement in ocean currents.

7.

FLASHCARD QUESTION

Front

What is the role of gravity in ocean currents?

Back

Gravity helps drive deep ocean currents by pulling denser water down and creating pressure differences.

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