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Not Right For WatchKnowLearn
Ages: 12 - 18
Learn Theorems Related to Tangents and Circles
From YouTube, produced by Yourteacher.com
Students learn the following theorems related to tangents. If a line is tangent to a circle, then the line is perpendicular to the radius at the point of tangency. If a line is perpendicular to a radius at its outer endpoint, then the line is tangent... [more]
Found by grazianione in Circle
February 1, 2010 at 02:26 PM
Not Right For WatchKnowLearn
Ages: 8 - 18
Siberian Tigers in the Russian Far East
From educationalvideos.com, produced by National Geographic
The Russian Far East is the last natural strong hold for the largest tiger, the Siberian tiger.  The Russian Far East is the furthest north that tigers live.  To survive, they have a longer, thicker coat than their cousins in China.  (02:40)
Found by tinag1974 in Tigers
June 9, 2010 at 12:11 PM
Not Right For WatchKnowLearn
Ages: 8 - 14
They Might Be Giants-"The Bloodmobile" Song
From YouTube, produced by They Might Be Giants
In this animated video, students will learn about how the blood flows through the body. It discusses how the bloodmobile is a delivery service inside of us. It is a trash collector, delivers white blood cells, etc.  Content is appropriate for upper e... [more]
May 8, 2011 at 10:14 AM
Not Right For WatchKnowLearn
Ages: 8 - 18
¿Qué hora es? – Telling Time (part 1)
From YouTube
Using SER and numbers to tell time in Spanish. Learn all of the basics about telling time in Spanish. This video lesson should complement any beginner level text that deals with telling time including all the vocabulary words associated. This is a gr... [more]
May 11, 2009 at 11:13 AM
Not Right For WatchKnowLearn
Ages: 11 - 18
Learn about The American Civil War 1861 - 1865
From 5min
This five-minute video uses a map to show the more important Civil War battles. Students should have their own maps to follow this quick-moving video. It is a good overview of the war.
September 27, 2010 at 12:17 AM