Ch 14; L1

Front

What percent of Earth's water is salt water?

Back

97.5%

Front

What percent of Earth's water is both fresh and liquid (usable)?

Back

0.5%

Front

Define 'fresh' water.

Back

Water that contains minimal amounts of dissolved salts and other total dissolved solids.

Front

What is an aquifer?

Back

An aquifer is a sponge-like formation of rock, sand, and gravel that holds water.

Front

What are watersheds sometimes called?

Back

Drainage basins or catchment areas.

Front

What is the primary source of fresh water on Earth?

Back

Glaciers and ice caps.

Front

What is the water cycle?

Back

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

Front

What is groundwater?

Back

Water that is stored underground in aquifers.

Front

What is the difference between surface water and groundwater?

Back

Surface water is found in rivers, lakes, and reservoirs, while groundwater is found beneath the Earth's surface.

Front

What is a watershed?

Back

An area of land that drains rainwater or snow into one location, such as a river or lake.