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Ages: 12 - 18
13075 Views:
Basic Math: Sieve of Eratosthenes
From YouTube, produced by VideoMathTutor.com
This lesson consists of showing you how to use the Sieve of Eratosthenes to find all prime numbers below a certain value. In this case, below 100. (05:50)
Found by videomathtutor in Number Operations
November 9, 2009 at 03:02 AM
Not Right For WatchKnowLearn
Ages: 9 - 13
5083 Views:
Introduction to the Kidneys
From YouTube
This very short video gives basic facts about our kidneys. Key vocabulary words include kidney, ureter, bladder, and urethra. A diagram is given to label different parts. This is a good resource to help build background knowledge and would work well ... [more]
Found by MakeMeGenius in Urinary System
April 10, 2012 at 01:05 AM
Not Right For WatchKnowLearn
Ages: 5 - 10
4948 Views:
Introduction to Regrouping (Borrowing) - Khan Academy
From YouTube, produced by Salman Khan
Salman Khan offers a five-minute introduction to regrouping (borrowing). (05:27)
Found by teresahopson in Regrouping in Subtraction
January 7, 2015 at 06:04 PM
Not Right For WatchKnowLearn
Ages: 9 - 18
2436 Views:
The Moon's Role in a Solar Eclipse
From YouTube, produced by NASA Goddard
This video explains how our moon creates a solar eclipse, why it's such a rare event to see, and how data from NASA's Lunar Reconnaissance Orbiter has enhanced our ability to map an eclipse's path of totality. (02:34)
Found by teresahopson in Moon Overview
July 26, 2017 at 01:46 PM
Not Right For WatchKnowLearn
Ages: 7 - 18
10483 Views:
Exploring Oceans: Bermuda
From YouTube, produced by National Geographic
The waters around Bermuda host a liquid jungle of creatures that exist in floating forests of golden brown sargassum seaweed. Deep within its waters live bioluminescent deep-sea creatures, reminiscent of comets, suns, and stars. (03:30)
Found by Barb in Ocean Exploration
August 23, 2009 at 05:15 PM
Comments: 1
Not Right For WatchKnowLearn
Ages: 13 - 18
1868 Views:
Basic Trigonometry - Khan Academy
From YouTube, produced by Salman Khan
An introduction to the trigonometric functions of sine, cosine, and tangent. In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. For high school students. (08:44)
Found by teresahopson in Khan Academy Series on Trigonometry
December 8, 2009 at 12:48 AM
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