The glossary has about 60 terms that are primarily types of volcanoes or vents, eruption types, and eruptive products. Clicking on a term displays a captioned photograph illustrating the concept and a glossary definition. Below the photgraph are related glossary terms and sometimes other information or photograph links. Full description.

This glossary provides definitions of terms necessary to understand the modern glacier environment. Terms are listed in alphabetical order and are accompanied by photographs. A separate section provides definitions of each type, accompanied by a photograph of an example. Full description.

This activity will help students understand food chains and food webs in the ocean. After studying the materials provided, students will play a food web game, in which they are given a blank food web and the names of the organisms. Students place the organisms in their correct places on the food web so that the arrows indicate the direction of energy flow. As a follow-up, students decide what would ... Full description.

This glossary of earthquake terms features illustrations which accompany the definitions, where possible, to provide examples and additional reinforcement. Links to related terms are embedded in the text. Full description.

Visit to an Ocean Planet is an innovative CD-ROM that has been transferred to the web. Visit to an Ocean Planet is for grades 5-12 that makes science, ocean, climate and life education fun and interactive. There are three sections, expedition, mission and guide. The expedition section engages students in exploring the 1997 El Nino, a look at oceanographers and their work, and an ocean science research ... Full description.

This Thinkquest offers an encyclopedic look at plate tectonics and volcanoes. Reference sections describe the interior of the Earth, continental drift, sea floor spreading, subduction, volcano types and eruptions, lava flow, and famous volcanoes. Lesson plans cover the internal structure of Earth, plate tectonic theory, and how volcanic eruptions and earthquakes affect the human environment. There ... Full description.