Approximately 12 million years ago, a massive volcano in the southwestern corner of Idaho erupted and spread a tremendous blanket of ash over a large area. Much of this ash settled over the grasslands of northeastern...

The BioEd Online website from the Baylor College of Medicine offers a cornucopia of resources for biology teachers, including slide sets, presentation notes, and podcasts. This particular resource deals with the...

Users can access interactive mapping and Geographic Information Systems (GIS) data, and view or download maps and reports on California's most prominent earthquake hazards. These maps are intended to help avoid damage...

SeisVolE is a Windows program although it can be operated on a Macintosh computer if Windows emulation software (Virtual PC or SoftWindows; see information in the SeisVolE introduction:...

This activity, from the Real World Learning Objects Resource Library, allows students to use first-hand data analysis to "determine if there is any pattern to earthquake events and speculate on the causes of...