The rocks and sediment collected by Apollo astronauts contain vital clues to the formation of Earth and the Moon. Most of this information, including crucial parts of the history of Earth, cannot be learned by studying rocks on Earth because it is so geologically active. Teachers may use these materials to teach lunar geology and landforms, rocks and minerals, and the history and future of lunar exploration. ... Full description.

This is part of the U.S. Geologic Survey's Water Science for Schools website. It consists of a set of links to other parts of the site dealing with groundwater-related topics such as groundwater flow and distribution, trends in groundwater use, importance of groundwater, and groundwater quality. Graphic illustrations and photographs are provided. Full description.

Geomorphology from Space is an out-of-print 1986 NASA publication designed for use by the remote sensing, science, and educational communities to study landforms and landscapes. Users can access a gallery of images consisting of 237 plates arranged by particular types of landforms such as tectonic, volcanic, planetary, and others. Photographs, locator maps, and sometimes a geologic map accompany the ... Full description.

This learning system provides a variety of materials on Earth and space sciences, such as images, movies, animations, and data sets. Students, teachers, and the general public can access information on the sun and space weather, astronomy, our planet and solar system, current space missions, space-related mythology and art, and geology. For teachers, there are links to tools for navigating the site, ... Full description.

This search tool provides descriptions and availability information for geologic maps of the 50 States, the District of Columbia, and Puerto Rico. These geologic maps are published by a variety of organizations, including State geologic agencies, the U.S. Geological Survey (USGS), universities, and private companies. Title, date, scale, publisher, series (where applicable), and basic ordering information ... Full description.

This guide provides information about caves in the United States which are open to the public. The directory is arranged by state and provides locations, operating hours, and telephone numbers for all caves in the U. S. which are developed for public access. Other materials include tips for visitors, a tutorial on cave photography, and a link to the "Virtual Cave," which includes maps and photos of ... Full description.

This brief description of the rock cycle is for younger students. They will learn about the processes by which the three types of rocks can be changed into one another. Full description.

This is the homepage of the American Geological Institute (AGI). Visitors can access information about geoscience education, public policy, environmental geoscience, careers in geoscience, publications, news articles, and events. Materials presented here include databases, curriculum materials, legislation and appropriations information, and an image bank. Full description.

These images of the Kanaga Volcano show the symmetrical cone which is characteristic of stratovolcanoes. It is also possible to see how the current volcanic edifice has grown inside an older caldera, the remains of ancient Mount Kanaton. References and links to related sites are included. Full description.

This page presents information about the four principle types of volcanoes found on Earth. Diagrams showing the internal structure of each type and photographs of well-known examples are provided. Full description.