Tramline
Tramline: Tornado Field Trip
In this virtual field trip students learn about the formation of tornadoes. Students also visit websites where they can research various types of information about tornadoes.
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.