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Ages: 10 - 18
How do Tornadoes Form? - James Spann
From YouTube, produced by TED education
Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell thunderstorms... [more]
August 21, 2014 at 01:35 PM
Not Right For WatchKnowLearn
Ages: 7 - 11
Changes in Ecosystems - by StudyJams
From scholastic.com, produced by Scholastic
Ecosystems are constantly going through gradual changes.  Sometimes those changes are natural, and sometimes they are caused by humans.  Learn more about changes in an ecosystem with this cartoon animation from StudyJams.  A short, self-checking quiz... [more]
Found by begamatt in Ecosystems
May 17, 2011 at 09:04 PM
Not Right For WatchKnowLearn
Ages: 8 - 14
How to Make an Inflatable Origami Bunny
From YouTube, produced by HowCast
This video provides step by step instructions on how to make an origami bunny. At the end the bunny will be inflated with air. (05:02)
Found by grazianione in Origami
August 4, 2009 at 04:12 PM
Not Right For WatchKnowLearn
Ages: 12 - 18
Learning English - Lesson Twenty-Five (Making a Speech)
From YouTube, produced by Hat for Rent Productions
This lesson is an informative and humorous lesson on making a speech, featuring a very bad speech and some very specific pointers on how not to make the same mistakes. This was directed at ESL learners but is suitable for anyone. It contains subtitle... [more]
April 2, 2009 at 10:52 AM
Not Right For WatchKnowLearn
Ages: 18 - 18
Make It Yourself: Electric Spinning Wheel
From YouTube
Once you've seen the other videos in this spinning yarn series; you might be interested in having a spinning wheel of your own. This video is a demonstration of an electric spinning wheel that you can make yourself. Directions on building your own ar... [more]
July 12, 2009 at 01:13 PM