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Ages: 10 - 18
Mousetrap Car Introduction
From YouTube, produced by Bill Kuhl
Simple mousetrap car kit designs are shown in this video. Mousetrap cars are a perfect example of elastic potential energy that is tranfered into kinetic energy.  The narrator also explains to students how they can build their own car.  (03:46)
November 8, 2010 at 11:55 AM
Comments: 1
Not Right For WatchKnowLearn
Ages: 13 - 18
The Nervous System : Introduction (10:01)
From YouTube, produced by mrfordsclass
We begin our study of the nervous system by introducing a few concepts and laying out the rest of the series. We look at the components of the nervous system and the functions of the nervous system. This is Lesson 1 in our Nervous System series. This... [more]
October 3, 2014 at 05:12 PM
Not Right For WatchKnowLearn
Ages: 7 - 18
Apollo 13 Documentary 1/5
From YouTube
Two hundred thousand miles away from Earth. A violent explosion tears through fragile skin of Apollo 13 destroying life support, guidance and power systems and this is the story of how people working together were able to save this crew. Excellent an... [more]
Found by freealan in Apollo 13
October 3, 2011 at 11:26 PM
Not Right For WatchKnowLearn
Ages: 9 - 12
How to Add and Subtract Fractions
From eHow, produced by Jimmy Chang
This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years.  Mr. Chang demonstrates in this video how to add and subtract fractions. (02:45)
July 17, 2009 at 10:40 AM
Not Right For WatchKnowLearn
Ages: 8 - 13
"Schooled By Grammar" by So Random
From YouTube, produced by Disney
Brandon Mychal Smith portrays M.C. Grammar, Ph.D., and interrupts a rapping showdown between two street thugs (portrayed by Shayne Topp and Sterling Knight) to teach them how to be grammatically correct! Tiffany Thornton is also featured in the sketc... [more]
July 29, 2011 at 01:29 AM