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Science

Welcome to the Science Topics page of the USGS Water Science School, where you can explore the many aspects of water. All of our science information is available by browsing the Themes below.

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Surface Water

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Water Quality

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Water Properties

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Water Basics

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Water Use

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Water Cycle Components

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Groundwater

Education

Teacher's Resources for Water Education

The USGS Water Science School offers many resources to teachers help teach students all about water. 

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Teacher's Resources for Water Education

The USGS Water Science School offers many resources to teachers help teach students all about water. 

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Water Science Activity Center

This is the interactive section of our site where you can answer challenge questions, participate in opinion surveys about water issues, and take true/false quizzes.

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Water Science Activity Center

This is the interactive section of our site where you can answer challenge questions, participate in opinion surveys about water issues, and take true/false quizzes.

Learn More

Principal Aquifers

An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to wells and springs. This site explains the geology of aquifers and provides a general overview and maps of the principal aquifers of the United states.

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Principal Aquifers

An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to wells and springs. This site explains the geology of aquifers and provides a general overview and maps of the principal aquifers of the United states.

Learn More