This portal provides information on how we use water on an everyday basis. Users can choose from some general water-use topics on the left side of the graphic, or from the categories of water use on the right side. A text menu of the topics is provided below the graphic. Topics include groundwater, surface water, domestic versus commercial consumption, irrigation and livestock, and industrial uses. ... Full description.

This United States Geological Survey site focuses on water and its properties. The site contains activities for teachers and students, along with pictures, data, maps, and an interactive center where users can give opinions and test their water knowledge. Unique aspects of this site include the sections that contain student work and a picture gallery. There are links to other resources for students, ... Full description.

This report discusses how natural processes and human activities affect the interactions of ground water and surface water, and the importance of considering ground water and surface water as a single resource. Topics include natural processes of ground- and surface-water interaction; chemical interactions; and the effect of landscapes on these interactions. There is also discussion of the effects ... Full description.

Users can choose to download or order six posters that depict water-resources topics and are drawn in a cartoon format. Written narrative on the back elaborates on the topic of each poster. They are available in color, or in black-and-white for coloring. Full description.

This booklet, published in cooperation with the U.S. Department of Education and the National Geographic Society, is designed to help adults stir younger children's curiosity about geography with the help of suggestions for simple activities. Topics include how to help young children learn location and direction, how to teach them to read maps, how to teach the concept of place, how to teach about ... Full description.

This basic guide provides information about starting and maintaining a rock collection. Topics include starting a collection, identifying specimens, where and how to collect, and how to house and document a collection. Full description.

This series of articles describes the uses of mineral products in sports and sporting equipment. Full description.

This list of questions and answers about water covers a variety of categories, including water use in the United States, water use in the home, data and measurements, chemistry, and others. Links to additional information is embedded in the text of some questions. Full description.

This resource introduces students to the idea of saline water. Topics include how saline water is defined and how dissolved salt concentrations are expressed (parts per million). Parameters for the various ranges of salinity (fresh to highly saline, or seawater) are also presented, and there is a brief discussion of water quality considerations regarding saline water. Links to additional information ... Full description.

This resource explains how the oceans became salty. Topics include the source of the salt, how rainwater dissolves rock and carries the material away as dissolved ions, and the two most common ions in seawater. A link to additional information is also provided. Full description.