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Ages: 10 - 16
Finding the Circumference of a Circle
From YouTube, produced by mbrandl11
The instructor uses a tablet program to demonstrate how to find the circumference of a circle.  The examples include circles where the radius or diameter are given.  The instructor also uses a calculator to perform calculations.  (06:03)
April 13, 2010 at 08:54 PM
Not Right For WatchKnowLearn
Ages: 12 - 18
Theodore Roosevelt Joins Bull Moose Party
From history.com, produced by History Channel
Despite thinking he had more to accomplish, Teddy Roosevelt was determined to keep his promise not to run for reelection. Instead, he joined the Bull Moose Party to protect his policies in preparation for his departure. (02:09)
May 29, 2012 at 06:24 PM
Not Right For WatchKnowLearn
Ages: 6 - 14
The Advent Wreath
From YouTube, produced by AmericanCatholic
Video describes the advent season and what the advent wreath symbolizes.  It also discusses the four weeks leading up to Christmas.
Found by Barb in Advent
November 22, 2009 at 10:41 PM
Not Right For WatchKnowLearn
Ages: 11 - 18
Cell Membrane
From YouTube
Detailed view of the cell membrane and how it functions. 3-D color animation with narration. 1:23 min.
Found by laneyk in Cell Membrane
July 12, 2009 at 05:25 PM
Not Right For WatchKnowLearn
Ages: 7 - 11
The Earth's Atmosphere - by StudyJams
From scholastic.com, produced by Scholastic
The atmosphere is a blanket of gases surrounding the Earth.  The gases are classified according to their temperature differences.  The weight of those gases pressing down on earth is what creates air pressure.  Learn more about the atmosphere with th... [more]
Found by begamatt in Atmosphere
May 22, 2011 at 01:59 PM