Earth's Water L1-L4

Front

What are Surface Currents?

Back

Ocean currents that occur at or near the surface of the ocean, caused by wind.

Front

What does a divide do?

Back

A boundary that creates two separate stream drainage areas.

Front

What causes the Coriolis Effect?

Back

Earth rotating on its axis.

Front

What are small plants in the ocean that serve as food?

Back

Phytoplankton.

Front

What percentage of all the water in the world is FRESH WATER?

Back

3%.

Front

What is the definition of a watershed?

Back

An area of land that drains all the streams and rainfall to a common outlet.

Front

What is the role of phytoplankton in the ocean ecosystem?

Back

They are primary producers that form the base of the ocean food web.

Front

What is the difference between surface currents and deep ocean currents?

Back

Surface currents are driven by wind and occur at the ocean's surface, while deep ocean currents are driven by differences in water density.

Front

What is an aquifer?

Back

A body of rock or sediment that stores groundwater.

Front

What is the significance of the water cycle?

Back

It describes the continuous movement of water on, above, and below the surface of the Earth.