This interactive explains the nature of the data gathered by Dawn's framing camera and allows users to experiment with images viewed through its red, green, and blue filters. Full description.

This USGS site contains graphs, tables, and charts for the following ground water topics: What is ground water, ground water flow diagrams, importance of groundwater, and trends in ground-water use. Ground water quality, pesticides, aquifers, waterwells, artesian wells, sinkholes, and land subsidence are also covered. There are a variety of links within all of the above topics and a very complete ... Full description.

This clearinghouse-style site from the Environmental Literacy Councilprovides links to information, articles and educational materials on several environmental subjects, including water. The water-specific segment features information on topics ranging from hydroelectric power to eutrophication to rogue waves. The articles featured cover scientific and social aspects of water. The Teaching Water segment ... Full description.

This Web site features a daily image of an unusual aspect of the Earth's system. Each image includes a description, when and where it occurred, and other information. Search the archive by keyword or browse by topic going back to 2000. Full description.

This resource contains a broad range of content relating to life in caves, particularly in Texas and Missouri. It includes news and announcements relating to cave biology, a calendar of cave-related workshops and conferences, and current issues of the North American Biospeleology Newsletter. An extensive catalog of Missouri cave life includes a collection of photographs of cave-dwelling organisms. ... Full description.

This full-color identification chart is intended as a basic guide to observing contrails for scientific investigations being conducted by NASA scientists. It is translated into several languages and is designed help to motivate students throughout the world to become involved with a real-time collaborative scientific experiment. Full description.

This lesson plan uses NASA Clouds and Earth's Radiant Energy System (CERES) instrument percent coverage surface data with a world map to locate landmasses and bodies of water at the Earth's Equator. When using satellites to study Earth system processes, especially atmospheric processes, it is important to know what is the background that one is seeing on the Earth. This lesson provides an introduction ... Full description.

This lesson plan provides instructions for several activities for students to perform to study the relationship of temperature, pressure, relative humidity, and dew point in cloud formation. The lesson involves graphing of weather balloon data using a spreadsheet program. Full description.

This user-contributed tutorial provides detailed instructions on how to make Excel graphs of data that is imported from the Internet. The tutorial contains sample screen images to assist in performing each step. It involves importing a second set of data and adding it as another series on the original graph. The tutorial includes questions based on the atmospheric lapse rates plotted for two locations. ... Full description.

This lesson plan uses NASA satellite data to contrast amounts of cloud coverage over different climate regions in Africa. It introduces the circulation pattern of Hadley Cells and the band of convergence and convection called the Intertropical Convergence Zone (ITCZ). The lesson also discusses how frequent cloud cover and precipitation occur along the ITCZ and how climate affects the people living ... Full description.