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Ages: 9 - 18
Mixed Numbers and Improper Fractions - Khan Academy
From YouTube, produced by Salman Khan
During this nine-minute video clip Sal Khan converts mixed numbers to improper fractions and improper fractions to mixed numbers. (09:13)
July 11, 2009 at 08:38 AM
Not Right For WatchKnowLearn
Ages: 10 - 18
What is a Complex Sentence?
From YouTube
An English teacher explains how to make a complex sentence using an independent and a dependent clause. (03:34)
August 14, 2009 at 11:04 AM
Not Right For WatchKnowLearn
Ages: 7 - 18
Photography Rube Goldberg Machine
From YouTube, produced by 2D House
How do you take a picture?  Hopefully not like this!  A fantastic example of a Rube Goldberg.  A Rube Goldberg machine is any device that is a deliberately over-engineered or overdone machine to perform a very simple task.  This would also be a great... [more]
January 20, 2012 at 11:35 AM
Not Right For WatchKnowLearn
Ages: 7 - 13
Classroom Rain Forest Tour (Parts 1 and 2)
From YouTube
Third grade students from Mr. Salsich's class at Deans Mill School turned their classroom into a rain forest to share what they had learned with others. They gave tours of the rain forest and raised money to protect rain forest habitats. The students... [more]
May 28, 2012 at 04:14 PM
Not Right For WatchKnowLearn
Ages: 11 - 18
100 French Idioms
From YouTube, produced by Imagiers
Learn how to say idioms in French. This video recites the idiomatic expressions in French while saying them in French. The English and French versions of the idioms appear on the screen at the same time. For intermediate to advanced French language l... [more]
December 15, 2009 at 10:27 PM