Water Cycle & Water Distribution on Earth

Front

What is the main source of Earth's freshwater?

Back

Most of the freshwater is trapped in glaciers and ice caps.

Front

What is a reservoir?

Back

A reservoir is an artificial lake that is built to store water for a later time.

Front

What percentage of Earth's surface is covered by the hydrosphere?

Back

The hydrosphere covers about 70% of Earth's surface.

Front

What type of water is found in oceans?

Back

Oceans contain saltwater.

Front

What type of water is found in glaciers?

Back

Glaciers contain freshwater.

Front

How does the amount of saltwater compare to freshwater on Earth?

Back

Saltwater is abundant on Earth, while freshwater is limited.

Front

Why are glaciers and oceans difficult for humans to use?

Back

Oceans contain saltwater and glaciers contain freshwater, but both are difficult for humans to use.

Front

What is the largest reservoir of freshwater on Earth?

Back

The largest reservoir of freshwater on Earth is found in glaciers and ice caps.

Front

What is groundwater?

Back

Groundwater is water that is found underground in soil and rock layers.

Front

What is the difference between surface water and groundwater?

Back

Surface water is found in rivers, lakes, and ponds, while groundwater is found underground.