This very interactive site uses a variety of games to explore ocean related subjects. The games cover such topics as tidal zones, deep ocean species, ocean currents, general animal life of the ocean, symbiotic relationships, water pressure, human impact on ecosystems, and the habitats found at the South Pole and along the California coastline. There are help tabs added to the games called "Species ... Full description.

This interactive diagram allows the user to follow a drop of water from the source through the treatment process. Water may be treated differently in different communities depending on the quality of the water which enters the plant. Groundwater is water located under ground and typically requires less treatment than water from lakes, rivers, and streams. Users are invited to click on each treatment ... 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.

This site provides information about rivers, coasts, and the processes affecting them. Students can view an animation of the water cycle, read about how rivers and coasts change, learn about estuaries, and view information on how rivers, coasts, and other water features influence people's lives. Glossaries and a teacher's page offering lesson plans, worksheets, and links to additional sites are also ... Full description.

This interactive tour of the water cycle allows students to follow a water molecule from a home's plumbing system as it follows different routes through the hydrologic cycle. Students learn about how water is used, treated, and returned to the natural environment where it can cycle through liquid, solid, and gas phases. Full description.

The site offers virtual tours of a hydroelectric project, a fish passage, and a generator. It shows how dams operate, the equipment necessary for electrical generation, explains the electrical generation process, and touches on some environmental issues. Other materials presented here include a timeline about the discovery of electricity and power generation, a glossary, and links to newspaper articles ... Full description.

This site covers many of the components of cloud formation and cloud types. Although written for the high school level, the middle school student could grasp most of the concepts with the assistance from the teacher. Specific concepts covered include the importance of and mechanisms that produce rising air, cloud types, and ptyes of precipitation. There are nice graphics and images to support the ... Full description.

The site offers an interactive discussion of different vantage points associated with dam building. It describes some of the engineering and environmental issues that go into the process of selecting a site for building a dam and the conditions necessary for electrical generation. Links to classroom and family activities are organized by grade level. Full description.

This project gives students the opportunity to appreciate how difficult it is to predict the weather when making forecasts. By accessing an assortment of images and data, the students will be asked to forecast on a regular basis and determine the accuracy of the forecasts by comparing them with the actual observed data. Students will also complete specially constructed activities that introduce forecasting ... Full description.

This is a web-based activity using satellite images of the Gulf of Maine and the Carribean Sea. Students are asked to examine satellite data of sea surface temperatures. From this data they are to determine the temperature scale and how temperature differences are indicated. They also examine phytoplankton density images to determine where high phytoplankton densities are. Additional activities are ... Full description.