Kids can explore environmental science topics using satellite imagery and NASA data. Materials presented here explain how people affect the Earth and how NASA studies land, water, the atmosphere, and natural hazards from space. Factoids which change every few minutes are presented, and kids can send postcards featuring NASA images to their friends. Full description.

This secondary-level educational program in Earth Sciences includes an extensive selection of student learning materials, teacher resources, and assessment tools for a hands-on, inquiry-driven instructional program. Module topics include Earth's geosphere (volcanoes, earthquakes, plate tectonics), understanding your environment (landscape evolution, river systems, land use), Earth's fluid spheres ... Full description.

This collection of images was acquired by astronauts as they flew various missions on the space shuttle and the International Space station. The collection is searchable by geographic location (an interactive map), landforms, human-created features, weather phenomena, water habitats, and others. The images are available in three resolutions and include cataloging data and a caption. Full description.

The Exploratorium was one of the first science museums to build a site on the World Wide Web. This homepage provides a vast array of links to science resources of many types. Teachers can access activities, publications, information on field trips to the museum, and a digital library of photos and movies. General interest materials include online versions of exhibits, a microscope imaging station, ... Full description.