Groundwater/Watershed/Water Pollution

Front

What is groundwater?

Back

Water that is stored underground in aquifers and soil.

Front

What is a watershed?

Back

An area of land that drains rainwater and snowmelt into a common water body.

Front

What is water pollution?

Back

The contamination of water bodies by harmful substances.

Front

What is sludge?

Back

The solid waste that settles out during wastewater treatment.

Front

What is the purpose of adding chlorine to water?

Back

To eliminate pathogens and make the water safe for drinking.

Front

What is a well?

Back

A hole drilled into the ground to access groundwater.

Front

What percentage of Earth's water is salt water?

Back

97% of Earth's water is salt water.

Front

What is a reservoir?

Back

A large natural or artificial lake used to store water.

Front

What is an aquifer?

Back

A geological formation that can store and transmit water.

Front

What are pathogens?

Back

Microorganisms that can cause disease, often found in contaminated water.