Ocean Currents

Front

What causes surface currents?

Back

wind

Front

What causes deep ocean currents?

Back

density differences

Front

Decreasing ocean temperature causes the density of the water to ______.

Back

increase

Front

As plants and animals in the ocean die, the nutrients produced from their decay _____.

Back

sink to the bottom

Front

Nutrients are brought to the surface for phytoplankton to use at _______. Options: gyres, eddies, upwellings, the equator.

Back

upwellings

Front

What causes the Coriolis Effect?

Back

Earth's rotation

Front

The __________ is a surface current that flows along the eastern US and brings warm water to Europe.

Back

Gulf Current

Front

There are (is) _______ major gyres in each ocean.

Back

1

Front

Gyres in the southern hemisphere are surface currents that turn _________ due to the Coriolis Effect.

Back

counterclockwise

Front

In a school project about marine ecosystems, Nora and Arjun learned that _______ are the producers of Antarctic food webs.

Back

Phytoplankton