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.
NOAA
Noaa: The National Severe Storms Laboratory Album: Tornadoes
This online album features incredible photographs of tornadoes and storm fronts taken from different angles and perspectives.
PBS
Nova: Hunt for the Supertwister
This activity will introduce you to the Fujita scale for rating tornado strength. You will then put your knowledge to use by observing photographs of tornado damage and assigning them a rating.
University of Illinois
University of Illinois Urbana Champaign: Tornadoes
Great photos of actual tornadoes. This page gives you general information about tornadoes.