This teacher's guide for rocketry presents the history, scientific principles and mathematics of rockets through problem-solving and cooperative learning activities. These activities demonstrate the physical principles behind the operation of rockets. Full description.

This site provides a variety of links to NASA educational and public outreach materials. There is informative material on topics ranging from the solar system to black holes to distant galaxies. Education materials for teachers include activities and lesson plans, which use concepts and data from high energy astrophysics in interdisciplinary lessons appropriate for math and science classes. Links ... Full description.

The homepage of Mammoth Cave National Park provides visitors with information on tour schedules, surface activities, lodging and camping, and tips on touring caves. Teachers can access an extensive selection of curricular materials, fact sheets and activities for kids, a glossary, and links to other educational programs and sites. Other materials include maps and publications, an image gallery, and ... Full description.

At this site, users can read a basic explanation of the greenhouse effect, which is accompanied by a diagram illustrtating the concept. Links to additional information and to related topics are included. Full description.

Users can select a variety of materials on El Nino/La Nina. Materials presented here include bibliographies, news articles, technical and research information, movies, animations, and cartoons. Full description.

This is a photograph of the 18 May 1980 explosion of Mount St. Helens. Links to other volcano images and related topics are included. Full description.

In this activity students will grow "AstroPlants," a special fast-growing plant used in Space Shuttle microgravity experiments. They will become familiar with the growth process and life cycle of the plants and investigate the effects of gravity and light on plant orientation and guidance. Full description.

In this activity, students construct models of the NASA Boeing 757 using the materials and instructions provided. Working in groups, the students fly their gliders in two challenge events involving launches and landings, experiment with altering the configurations of the gliders, and perform statistical analyses of flight data. Full description.

Visitors can explore the scientific principles behind popular sports such as baseball, skateboarding, surfing, and bicycling. Full description.

The Exploratorium digital library includes digital media, digitized museum materials related to interactive exhibits and scientific phenomena. Full description.