Many of our readers will no doubt already be familiar with MIT’s excellent OpenCourseWare (OCW), which offers free college-level curricula online to the public. The OpenCourseWare site is well worth a browse, as it...

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...

This slide show provides an introduction to soil and soil science. Topics include the functions of soil and its role in the ecosystem, soil management, important properties of soil, and factors that influence the...

Contains wide range of information on geological topics, focusing on the state of Indiana. Includes visual dictionary, access to interactive and static maps, and geospatial data downloading. Along with the extensive...

Carbon is the basis of all organic molecules. It is also one of the most abundant elements in the universe. This video segment illustrates the special characteristics of carbon that make it an essential ingredient for...