A&E Television
History.com: The Deadliest Tornado in u.s. History Blindsided the Midwest in 1925
Now known as the Tri-State Tornado, it turned March 18 into a day of gruesome destruction and bizarre survival stories. This tornado hit Missouri, Illinois and Indiana and resulted in nearly 700 deaths.
Extreme Science
Extreme Science: Tornadoes
Funnel clouds have been around for a long time. Check out the story of tornadoes and find out more about an outbreak of tornadoes in April of 1974.
NASA
Sci Jinks: Tornado Simulator
Utilizing this interactive, students will manipulate the funnel's width and the core pressure difference will illustrate how tornadoes work.
PBS
Nova: Tornado Country
Why do the majority of the world's twisters occur in the United States? Find out the role that geography and climate play in spawning tornadoes.
University Corporation for Atmospheric Research
Ucar: How Tornadoes Form
Only about one thunderstorm in a thousand produces tornadoes. Learn how tornadoes form.
University Corporation for Atmospheric Research
Ucar: Make a Tornado
Students explore factors that influence why certain areas in the United States have more tornadoes than others and observe a model to visualize what is happening during a tornado.
CK-12 Foundation
Ck 12: Earth Science: Tornadoes
[Free Registration/Login may be required to access all resource tools.] Describes how tornadoes form, their effects, and how they are measured.
CK-12 Foundation
Ck 12: Earth Science: Tornadoes
[Free Registration/Login may be required to access all resource tools.] Describes how tornadoes form, their effects, and how they are measured.
American Museum of Natural History
American Museum of Natural History: Tornadoes O Logy Card
Flip this interactive card to start learning about tornadoes, nature's most powerful storms. Answer multiple-choice and fact-or-fiction questions and review some fast facts about tornadoes.
Read Works
Read Works: Tornado Scientists
[Free Registration/Login Required] An informational text about tornadoes and the scientists who study them. A question sheet is available to help students build skills in reading comprehension.
PBS
Pbs Nova: Killer Tornado of 1928
This resource provides a remarkable first-hand account of the day a tornado struck a small town in Nebraska in 1928 taking lives, injurying many, and causing much devastaion.
Scholastic
Scholastic: Tornado
This is an article by John Griffiths that discusses tornadoes including a definition, characteristic behaviors, clauses and classifications, and occurrences.
TED Talks
Ted: Ted Ed: How Do Tornadoes Form?
Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell thunderstorms to terrible twisters before eventually dissolving back into thin air. [4:11]
University of Wisconsin
The Why Files: Control a Tornado? Absolutely!
Control a tornado's intensity by manipulating its width and rotation speed.
Bill Nye
Bill Nye: Twistin' Tornado
This experiment with Bill Nye explains how to make a tornado in a bottle.
University Corporation for Atmospheric Research
Ucar: Tornadoes
A dark funnel of cloud extends below a storm. If it reaches the ground, it's a tornado.
TeachEngineering
Teach Engineering: Tornado Damage!
Students will learn about tornadoes, the damage they cause, and how to rate tornadoes. Specifically, students will investigate the Fujita Damage Scale of tornado intensity, and use it to complete a mock engineering analysis of damage...
Other
University of Akron: Research Challenges Location of 'Tornado Alley'
Geographer Michael Frates redefines the concept of Tornado Alley by using a grid system to map tornado activity in the U.S. Download the Tornado Alley map and locate the other tornado active areas: Hoosier Alley, Dixie Alley and the...
Dan Satterfield
Dan's Wild Weather: Tornado Weather
What do you want to know about tornadoes? This site highlights the different aspects of tornadoes. Don't miss out on learning more about these wild storm patterns.
TeachEngineering
Teach Engineering: Tornado!
Students learn about tornadoes - their basic characteristics, damage and occurrences. Students are introduced to the ways that engineers consider strong winds, specifically tornadoes, in their design of structures. Also, students learn...
TeachEngineering
Teach Engineering: A Tornado in My State?
Students will analyze data of tornadoes throughout the United States. They will create a bar graph of the number of tornadoes for the top ten states in the country and then calculate the median and the mode of the data.
NOAA
Noaa: Tornado in a Bottle [Pdf]
Find facts about tornadoes and see an actual vortex after making a tornado in a bottle with some common materials.
USA Today
Usa Today: Your Guide to Tornado Safety
This resource provides information about tornado safety to its readers.
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