NeMO studies the dynamic interactions between submarine volcanic activity and seafloor hotsprings at an observatory called Axial Seamount. The research activities at NeMO provide an extraordinary educational opportunity, both from the daily reports from expeditions at sea and from creative learning materials based on NeMO results. The site features curriculum materials designed for high school and ... Full description.

This United States Geological Survey (USGS) general interest publication presents a description of ground water in the U.S. This includes what ground water is, how it occurs, aquifers and wells, ground water quality and what affects it, and the state of U.S. ground water resources. Full description.

The Plymouth State College (PSC) Meteorology Program has developed this server to provide explanations of and access to detailed pictures of some basic cloud forms. The cloud images are relatively large (640x480) in order to show detailed structure and features. All of these pictures were taken in the local area around Plymouth, New Hampshire and most from the weather observation deck on the roof ... Full description.

This Web site hosts the most complete online collection of astronaut photographs of the Earth, including over 600,000 photos from Space Shuttle and the International Space Station. Users can search the database of photos by geographic coordinates or region, mission, features, cloud cover and many other options. The site also features an image of the week, as well as special collections of images, ... Full description.

This collection of lithographs includes downloadable, printable pictures and information about Earth and its Moon (including the famous 'blue marble' photo of Earth taken by the crew of Apollo 17), the other planets of the solar system, their moons, the sun, the Kuiper belt, and the Oort cloud. Full description.

This non-mathematical, self-contained exposition of studies of the Earth's magnetic environment in space covers such topics as magnetism, electrons, eons and plasmas, the radiation belt, the sun and the solar wind, exploring earthspace, the dynamic magnetosphere, auroras, and interplanetary field lines. Many of the topics introduce the user to the related physics and astronomy, and are thus a useful ... Full description.

Users can read and view pictures as part of a discussion of the positive and negative impacts of dam building on the streams, rivers, and watersheds in the United States and in Egypt. Conservation measures intended to increase the availability of water for fish and wildlife are outlined, and a link to the Dam and Reservoir Impact and Information Archive is provided. This archive is an extensive collection ... Full description.

Discover marine creatures from the tiny zooxanthellae that make the coral reefs home to the giant mammals of the vast seas. This resource provides very clear explanations and pictures to teach about the marine ecosystems of shorelines, temperate oceans, tropical oceans. Full description.

This site provides high level descriptions of aquatic plant life and excellent photos of common aquatic plants. Phytoplankton, macrophytes, fungi and lichens are also featured. While the text would be difficult for elementary children, a teacher could use this site for reference, and the photos would be of great interest to students. Full description.

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.