Front

What are the two types of ocean currents?

Back

Surface and deep currents.

Front

What causes deep ocean currents?

Back

Differences in density.

Front

What is a circular system of currents in the Earth's major oceans called?

Back

Gyre.

Front

How does warm water compare to cold water in terms of density?

Back

Warm water is less dense than cold water.

Front

Where is the most dense ocean water found?

Back

At the bottom of the ocean.

Front

What is the primary driver of surface ocean currents?

Back

Wind.

Front

What is the term for the movement of water from the surface to the deep ocean?

Back

Downwelling.

Front

What is the term for the process where cold, nutrient-rich water rises to the surface?

Back

Upwelling.

Front

What role does the Earth's rotation play in ocean currents?

Back

It causes the Coriolis effect, influencing the direction of currents.

Front

What is the global conveyor belt?

Back

A large-scale ocean circulation system that moves warm and cold water around the globe.