This lesson is one in a series that brings the important stories of historic places into the classrooms across the country. It could be used in units on the early industrial period of American history and in courses on geography or science and technology. It will help students realize the role canals played in western expansion and in the evolution of transportation by focusing on the construction ... Full description.

This NASA Module investigation compares and contrasts physical processes that occur on Both Earth and Mars. Students are given unidentified images of Earth and Mars. Their task is to arrange the images into pairs that show evidence of similar physical processes. Then they identify each image as one of Earth or of Mars by comparing and contrasting physical features that they observe in the image pairs. ... Full description.

This non-profit organization provides technical tools and services to community groups, local governments and others to protect streams, lakes, and rivers. The web site features publications related to watershed planning and management and provides summaries of community projects. Technical tools available include Vulnerability Analysis, Watershed Assessment, Rapid Stream Assessment Technique, Retrofit ... Full description.

The NASA Visible Earth site is a searchable collection of images of the Earth taken by orbiting satellites. This section features a variety of images specifically illustrating effects of runoff. Each image is available in one or more graphic formats and sizes, and is accompanied by a description, as well as detailed metadata about how the image was obtained. 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.

This site has something for everyone, from glaciologists to grade school students. It explores nearly all aspects of glaciers and includes data and science, facts, a gallery, and a glossary. Full description.

In this investigation, students examine Monterey Bay National Marine Sanctuary. After becoming familiar with a bathymetric/topographic map of the area, students select a transect along the seafloor to study some of the geological, biological, and physical features that are present. In this activity students use a bathymetric/topographic map as a tool for recognizing geobiological features of the sanctuary, ... Full description.

Window To My Environment (WME) is a web-based tool that provides access to a wide range of federal, state, and local information about environmental conditions and features in an area of your choice. By entering your zip code or city/town and state WME will provide an interactive map that shows the location of regulated facilities, monitoring sites, water bodies, population density, and perspective ... Full description.

Researchers have identified approximately 140 individual impact craters on Earth. These craters probably represent only about 25 percent of those to be found. Assuming an equal rate of impact around the globe, many more craters remain to be discovered, particularly in remote land regions of our planet and in the oceans. This activity uses satellite images of several craters on the earth to study impact ... Full description.

This collection of educational resources is intended to call attention to the issues of locating and preserving healthy water supplies and fighting the spread of water-borne diseases for communities in Africa. Teachers can choose from a number of lesson plans for downloading, which are arranged alphabetically by title, by grade level, or by subject. These lesson plans cover such topics as design of ... Full description.