T1L3 Condensed Version (Unit Exam)

Front

What is the saturated zone?

Back

The saturated zone is a layer of soil that is completely filled with water.

Front

What percentage of freshwater is found underground?

Back

29% of freshwater is found underground.

Front

How much of the United States' drinking water comes from aquifers?

Back

55% of the United States' drinking water comes from aquifers.

Front

How do people access water from an aquifer?

Back

People access water from an aquifer by drilling a well that extends below the water table.

Front

Which of the following is NOT a source of freshwater?

Back

Oceans are not a source of freshwater.

Front

What is infiltration?

Back

Infiltration is the process by which water on the ground surface enters the soil.

Front

What is the unsaturated zone?

Back

The unsaturated zone is the layer of soil above the water table where the soil pores contain both air and water.

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit water, providing a source of groundwater.

Front

What is the water table?

Back

The water table is the upper surface of the saturated zone, below which all soil and rock are saturated with water.

Front

What is the difference between surface water and groundwater?

Back

Surface water is found in rivers, lakes, and streams, while groundwater is found beneath the earth's surface in aquifers.