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Ages: 15 - 18
Introduction to the Atom - Khan Academy
From YouTube, produced by Sal Khan
In most topics you have to get pretty advanced before you address the most philosophical things.  But in chemistry, it starts right from the beginning with what is arguably the most philosophically interesting part of the whole topic, and that's the ... [more]
Found by teresahopson in Atoms
October 3, 2009 at 08:04 PM
Comments: 1
Not Right For WatchKnowLearn
Ages: 10 - 16
The Great Depression Pt.2
From YouTube
It happened in the 30's. Interview with people who lived through the Depression and discussion of what happened and why.
August 17, 2009 at 03:34 PM
Not Right For WatchKnowLearn
Ages: 12 - 16
Arithmetic Sequences
From YouTube, produced by mbrandl11
The instructor demonstrates identifying arithmetic sequences and finding the nth term of a sequence.  A definition of an arithmetic sequence is given and the common difference in each sequence is pointed out.  The formula a+(n-1)d is explained and us... [more]
Found by RonnieBurt in Algebra
April 14, 2010 at 12:09 AM
Not Right For WatchKnowLearn
Ages: 18 - 18
Characteristics of Asperger's Syndrome-Asperger's Famous People
From YouTube
This video does a great job in defining characteristics of Asperger's Syndrome and then displays famous people who have either been diagnosed or suspected to have Asperger's. Some of these famous people include Albert Einstein, Bill Gates, Andy Warho... [more]
December 31, 2010 at 01:24 AM
Not Right For WatchKnowLearn
Ages: 9 - 18
From YouTube
Is it possible for distant galaxies to be moving away from us faster than the speed of light? And if it is would it be possible for us to see them? Surprisingly the answer to both questions is a resounding YES. How is that possible? How can something... [more]
July 26, 2009 at 05:34 PM