Between 70 and 75% of the Earth's surface is covered with water and there exists still more water in the atmosphere and underground in aquifers. In this lesson, students learn about water bodies on the planet Earth and their various uses...

This resource provides information on watersheds, maps, activities, and links to local watershed information.

The U.S. Geological Survey offers information for teachers and students interested on Earth Science research. Contains references to general information as well as current research and events.

Downloadable booklets with basic information about the U.S. water supply, e.g., where our drinking water comes from.

This U.S. Geological Survey website features a fictious town, Dryville, and uses it to illustrate every aspect of water management that you might encounter. Click Home to access the site in Spanish.

Students gain a basic understanding of the properties of media- soil, sand, compost, gravel- and how these materials affect the movement of water (infiltration/percolation) into and below the surface of the ground.

This site is provided for by Reach Out Michigan! Use the site to learn if our eyes and taste buds can detect contaminated drinking water by doing a simple experiment.

The site includes eighteen interconnected lakes in the hyper arid Ennedi region of the Sahara desert covering an area of 62,808 ha. It constitutes an exceptional natural landscape of great beauty with striking colours and shapes. The...

Visit the U.S. Geological Survey's website for a wide variety of information on water. Content includes data on water quality, water use, acid rain, among others; publications; information on water resource programs; maps; information on...

Visit the U.S. Geological Survey's website for a wide variety of information on water. Content includes data on water quality, water use, acid rain, among others; publications; information on water resource programs; maps; information on...

Why have more than half of America's original wetlands been destroyed? What are the benefits of wildlife to people and the environment? Where are wetlands found? Find out the answers to these questions here.