University of Illinois
University of Illinois Urbana Champaign: Severe Storms
This site talks about severe storms. Topics include the dangers of thunderstorms, types of thunderstorms, components of thunderstorms, tornadoes, and modeling.
Science Education Resource Center at Carleton College
Serc: Mapping the Glaciers
In this activity, students will use Minnesota Geological Survey 3-D maps of the upper Midwest to trace the outlines of where they believe glaciers may have affected North America. They will identify landforms that resulted from glacial...