Sorry, you need to be a member to view this video. Click here to sign up!
Grade Levels: 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade,
Synopsis: With an average energy of roughly 1 million pounds of TNT, tornados are one of nature’s most powerful phenomena. And while atmospheric scientists know a great deal about tornados, such as the conditions in which they are most likely to form, no one yet un
Running Time: 02:45 minutes