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Ages: 13 - 18
Solving Equations with the Distributive Property, Part 1 - Khan Academy
From YouTube, produced by Salman Khan
In this video, Sal Khan demonstrates how to solve equations with the distributive property.  Mr. Khan uses the software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (06:04... [more]
June 13, 2010 at 06:32 PM
Not Right For WatchKnowLearn
Ages: 10 - 18
Mosses and Liverworts-First Land Plants
From YouTube
Non-vascular plants have no true roots, leaves, stems, or flowers. They also have no internal circulatory system for bringing water to the various parts of their bodies.  Therefore, non-vascular plants are typically found in very wet places. This vid... [more]
May 2, 2010 at 11:00 PM
Not Right For WatchKnowLearn
Ages: 12 - 18
Round Triangles!
From YouTube, produced by mphysics
Why circles are round (and triangles too!). (Instructor talks very fast.) Great drawing animation. (01:46)
January 29, 2012 at 08:54 PM
Not Right For WatchKnowLearn
Ages: 5 - 13
Monarch Butterfly Life Cycle.wmv
From YouTube
The life cycle of a Monarch butterfly as told from the perspective of the butterfly. Appropriate for students in early elementary school. Video goes through the four stages of a Monarch butterfly, explaining the difference between a chrysalis and a c... [more]
April 1, 2012 at 10:00 PM
Not Right For WatchKnowLearn
Ages: 7 - 13
Ant Lion
From NationalGeographicVideo, produced by National Geographic
This video shows what an ant lion is and shows it in action. Professional video from National Geographic includes narration and close-up footage. Run time 02:19.
Found by Barb in Ants
July 24, 2009 at 06:00 AM