In this video adapted from Pathways to Technology, you’ll learn how geographic information systems (GIS) and global positioning systems (GPS) are changing the ways professionals, in many fields, make decisions about...

Case Western Reserve University (CWRS) has issued this site which contains brief descriptions and a few pictures of the machines used to study soil characteristics at the CWRS soil dynamics lab. Most of the information...

Authored by the United States Geological Survey, the series consists of thirteen chapters which describes the ground-water resources of regional areas that collectively cover the 50 States, Puerto Rico, and the U.S....

This site features Flash and QuickTime animations related to groundwater. They contrast the permeability of gravel, sand, silt, and clay, as well as the speed of groundwater movement in rivers, lakes, and aquifers. They...

The folks at the Science Education Research Center (SERC) at Carleton College have worked with a team of colleagues to create these "Guided Discovery Problems." The materials here help students learn about the world of...