Groundwater and Irrigation

Front

What percentage of all water on Earth is freshwater?

Back

3% of all water on Earth is freshwater.

Front

What does the quantity of groundwater that can be stored depend upon?

Back

It depends upon the porosity of the underground rock.

Front

Which of the following are considered groundwater?

Back

Wells, water table, aquifers.

Front

What is the process called when heat from the sun turns water into water vapor?

Back

Evaporation.

Front

What term describes all the water on and in the Earth's crust?

Back

The hydrosphere.

Front

What is groundwater?

Back

Water that is stored underground in aquifers and soil.

Front

What is an aquifer?

Back

A geological formation that can store and transmit groundwater.

Front

What is the water table?

Back

The upper surface of the zone of saturation where groundwater is found.

Front

What is surface water?

Back

Water that collects on the surface of the ground, such as rivers, lakes, and ponds.

Front

What is the zone of saturation?

Back

The area underground where all the spaces in soil and rock are filled with water.