If you know the specific topic, go to the pull-down menu at the bottom of the page to get there fast. Check out the Kids' Page for cool projects and experiments, and links to other environmental sites for kids. This site covers many aspects of water, from raindrops and ground water use to surface water and urbanization and water quality . The site is easy to use, very comprehensive, and fun. Check out the activity center, an interactive section where you can answer challenge questions, give opinions, and respond to questionnaires.
Case studies are worldwide and span thousands of years.
Aerospace Team Online brings visitors into flight simulators and wind tunnels to see NASA employees do aerodynamic design research. The Web site includes the autobiographies of team members, their field journals , a background section, an image gallery , and a collection of classroom projects. Teacher discussion areas are available to encourage educators to share ideas and support one another. Once in the Arctic Circle, the crew and researchers participate in several explorations of historic sites. They use Mars Pathfinder mapping programs to map shipwreck sites.