This lesson helps students discover the relationship between precipitation, evaporation, and surface runoff data. Using FieldScope, an online GIS created at the National Geographic Society, students will explore data layers, create a map...

This interactive tutorial discusses the flow of water on the surface and below the surface. You will learn about the causes and actions of wind, and how water and wind move sediment.

Through an overview of the components of the hydrologic cycle and the important roles they play in the design of engineered systems, young scholars' awareness of the world's limited fresh water resources is heightened. The instructional...

A collection of resources--pictures, maps, data, glossary--about water and the water cycle.

This virtual field trip for middle school students looks at aquifers and their place in the hydrologic cycle. Students learn why and how it is important to protect the source of your drinking water and some unique details about the...

Check out this simple overview of the water cycle and learn how to build a model of the water cycle.

The Evergreen Project profiles the natural history of rivers and streams. Topics include watersheds, how a stream becomes a river, erosion, water pollution, and the like.

[Free Registration/Login may be required to access all resource tools.] Covers the water cycle.

This simple overview provides definitions of key terms in the water cycle and a diagram showing the path water takes in this cycle.

[Free Registration/Login may be required to access all resource tools.] Describes the sources of water pollution.