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Not Right For WatchKnowLearn
Ages: 16 - 18
Weight and Perceived Gravity
From WatchKnow, produced by MIT Opencourseware
Professor Lewin of MIT gives a lecture on perceived gravity. He emphasizes the difference between weight and mass. During the lecture he looks at several scenarios where weight changes, such as a person standing on a bathroom scale in an elevator. Le... [more]
Found by tyler.arnold in Gravity
July 31, 2012 at 09:56 PM
Not Right For WatchKnowLearn
Ages: 9 - 18
Scale - A Comparison of Planet Sizes
From vimeo.com, produced by Brad Godspeed
This video is a quick animation with music that compares the sizes of Earth's moon, Earth, Mars, Neptune, and Jupiter. It helps to see the size differences of these planetary bodies. It is an excellent animation. The radius of each planet is given in... [more]
March 28, 2012 at 11:28 AM
Not Right For WatchKnowLearn
Ages: 7 - 12
Main Idea Rap- Flocabulary
From flocabulary.com, produced by Flocabulary.com
Flocabulary Rap on Main Idea
September 5, 2013 at 08:14 PM
Not Right For WatchKnowLearn
Ages: 7 - 15
Life in Tropical Forests
From YouTube
Describes animals and plants found in tropical forests. Shows video of the specific animals. Also identifies the climate and locations. Mentions the effects of the destruction of the forests on the animals. Run time 1:56.
July 11, 2009 at 04:36 PM
Not Right For WatchKnowLearn
Ages: 13 - 18
The Marshmallow Experiment and Time Paradox
From YouTube, produced by TurnHere Internet Video
In this cartoon-animated video, Professor Philip Zimbardo describes the affects of present and future orientation in children. The video also includes a "pitch" to buy the author's book. (2:22)
April 1, 2009 at 12:16 AM