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Ages: 6 - 18
How Plastic Bottles Are Recycled Into Polyester Clothing
From YouTube, produced by National Geographic
You might be wearing clothing made out of water bottles! This short, fascinating video details the complex process of converting used plastic bottles into useful polyester for the clothing industry. (05:29)
February 9, 2011 at 12:38 AM
Not Right For WatchKnowLearn
Ages: 7 - 10
Multiplication - by StudyJams
From scholastic.com, produced by Scholastic
Multiplication is the repeated addition of equal groups.  The number of equal groups and the number in each group are the factors.  Once you know those factors, just apply these four properties of multiplication.  Learn more about multiplication with... [more]
June 20, 2011 at 06:41 PM
Not Right For WatchKnowLearn
Ages: 7 - 18
Video Brain Teaser #4
From YouTube, produced by VideoMathTutor.com
Video that provides viewers with brain teaser/mental puzzle. In this puzzle the viewer needs to reposition three sticks from the layout of four small squares.  The solution needs to be three identical squares.  The solution is given at the end of the... [more]
November 9, 2009 at 04:59 AM
Not Right For WatchKnowLearn
Ages: 13 - 18
Bacteria Basics : Microbiology Basics
From YouTube, produced by mrfordsclass
In this new video we look at the basics of bacteria. We look at their classifications, sizes, shapes and how they reproduce. This video is intended to be a primer on bacteria. We will go into more details as we progress in this series. (10:49)
December 6, 2014 at 11:45 AM
Not Right For WatchKnowLearn
Ages: 6 - 12
Guided Reading for Advanced Weeks
From YouTube
In this video you will see an actual guided reading group in progress from beginning to end.  This example provides a very good picture of how a guided reading group should function, and what kinds of comprehension skills can be tackled in this setti... [more]
March 6, 2010 at 04:26 PM