This is a comprehensive site that looks at many components of dams, including construction, destruction, and other issues. Access is organized into three levels by grade level. Information on cracks, case histories of the building and problems associated with some well known dams, and some real and imagined scenarios are included. Full description.

The New Millennium Observatory (NeMO) is a seafloor observatory off the coast of Oregon, which studies the relationships between submarine volcanic events and the chemistry and distribution of hydrothermal vents and the biologic communities that depend on them. The research activities at NeMO provide an extraordinary educational opportunity, both from the daily reports from expeditions at sea and ... Full description.

This site is all about snow crystals and snowflakes. The many facets of snow crystals are described here, along with attempts to understand their formation. This site includes collections of super-high-resolution snow crystal photos, as well as links to learn about snow crystal classifications and how to make snow crystal fossils. Included in the study of how snow crystals form, these researchers ... Full description.

This website integrates video footage and information with lesson plans and activities to teach students about the concept of relative dating. Students will graph a range chart for ammonites, determine the geologic age for several rocks, and determine which rocks will be most useful for oil companies looking to drill oil. This site contains lesson plans, student worksheets, discussion questions, and ... Full description.

With the intent to publicize information on the National Oceanic and Atmospheric Administration's (NOAA) major ocean exploration efforts, the Ocean Explorer Website provides a platform to follow such explorations in near real-time, learn about ocean exploration technologies, observe remote marine areas through multimedia technology, and review NOAA's 200-year history of ocean exploration. Additional ... Full description.

The Carolina Coastal Science Web site is an innovative, inquiry-based science resource that utilizes the interactive technologies of a Web browser to explore science in coastal Carolina. Teachers and students can use this web site independently or as a class using a number of different teaching strategies, such as, open-ended inquiries, guided inquiries, independent research, and cooperative group ... Full description.

This site, The Nine Planets, is an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. Each page has text and images; some have sounds and movies. Data for each planet includes orbit, diameter, mass, motions, composition, albedo, number of satellites, and visits by probes from Earth. Links to solar system data, a discovery chronology, ... Full description.