This is a collection of high-quality photographs of Mars, showing evidence of water. Each photo is available in multiple versions, and is accompanied by a detailed description of what it illustrates. Full description.

This article describes the ongoing research on the possible presence of water on Jupiter's moon Europa. It includes satellite images of Europa, scientific illustrations, and extensive text. It also discusses similar research being done on Lake Vostok in Antarctica. It also offers a variety of related links. Full description.

This site offers the online version of a book published by the United States Geological Survey (USGS). It is intended to provide a brief introduction to the concept of plate tectonics, highlighting some of the people and discoveries that advanced the development of the theory. It is the companion volume to the map, 'This Dynamic Planet', which shows the locations of major volcanic belts, fault systems, ... Full description.

This bookmark on volcanic aerosols provides a Web address for additional information and resources. Full description.

In this episode, the tree house detectives are troubled by a strange tremor in the area, and they decide that they need to investigate earthquakes. They delve into geography, geology, and plate tectonics to discover why they're all shook up. The NASA SCIence Files- series introduces students in grades 3-5 to NASA and integrates mathematics, science, and technology through the use of Problem-Based ... Full description.

This team-based, interactive educational experience aims to engage students in real-world problem solving. The volcano on the normally tranquil island of Montserrat has come to life. As flaming pebbles and lava begin their devastation, emergency response teams learn that a hurricane is approaching. Using real-time hurricane and seismic data, teams of student specialists assist Mission Control, by ... Full description.

Students will utilize the Internet to take a virtual field trip to visit a glacier and discover what physical effects glaciers have on the land. They will also have the opportunity to virtually visit Vermont and trace the pictorial history of how a whale's fossils were found there. The site also contains a student worksheet for their visual field trip. The site also provides an explanation of the ... Full description.

Discovering Plate Boundaries is based on 5 world maps containing earthquake, volcano, topography, satellite gravity, and seafloor age data. The novel aspect of the exercise is the "jigsaw" manner in which student groups access the maps and use them to discover, classify, and describe plate boundary types. The exercise is based only on observation and description, which makes it useful at a wide variety ... Full description.

This Web site brings together scientific content on Earth and space sciences with interdisciplinary content on the arts and humanities. Three levels of content are provided: students (K-12 through undergraduate), teachers, and browsing adults. The site includes documents, images, movies, animations, sounds, games, and data. Full description.

In this Web-based, interactive story, Tutangiaq (Too-tang-geye-ack - nicknamed 2T), a Canada Goose, flies across Alaska looking for his family. As he flies, he tells students about the 49th state. Students learn several facts about the state, including how Alaska was purchased from the Russians,. They can also compare the size of Alaska to other states. 2T takes a flight across the volcanic chain ... Full description.