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Poisoned Waters:  Why Is Stormwater Runoff a Major New Threat?
From teachersdomain.org, produced by PBS
More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 05:05.
 
Found by begamatt in Poisoned Waters - Series
November 1, 2010 at 08:42 PM
 
Ages: 11 - 18     License: Undetermined
 
Rating:
Not Right For WatchKnowLearn
 
Views: 365

Tell Time to the 5-Minute and 1-Minute
From eduplace.com, produced by Houghton Mifflin
Students will learn to tell time to the 5 minute mark and to the minute.  Count by 5's if the minute hand is on a number and count by 1's if the minute had is between two numbers. User clicks through the slides. 
 
Found by tinag1974 in Telling Time to the Five Minute and One Minute
May 20, 2010 at 03:01 PM
 
Ages: 6 - 11     License: Undetermined
 
Rating:
Not Right For WatchKnowLearn
 
Views: 529

Video Brain Teaser #25-Optical Illusions
From YouTube, produced by VideoMathTutor.com
Videos that provide viewers with brain teasers/mental puzzles. These may consist of problems dealing with the arrangement of matchsticks, coins, and other items. May include pencil drawing games, optical illusions, hidden images and "Find the Twin" problems.
 
Found by videomathtutor in Brain Teasers
December 1, 2009 at 06:44 AM
 
Ages: 9 - 16     License: Undetermined
 
Rating:
Not Right For WatchKnowLearn
 
Views: 494

Blues Guitar Lesson - A Major and A Minor Licks
From YouTube
Berkleemusic instructor Mike Williams illustrates various A minor and A major chord licks and phrases. Shows blues licks, major pentatonic, minor pentatonic. Each lick is played slowly so you can copy the fingerings. (4:42)
 
Found by chack in Guitar
October 22, 2009 at 11:31 AM
 
Ages: 10 - 18     License: Undetermined
 
Rating:
Not Right For WatchKnowLearn
 
Views: 925
Comments: 1

Molecules in Liquid
From YouTube, produced by TVOntario
As molecules in a solid get hotter, they vibrate faster and faster and eventually slip out of their lattice-work pattern. When this occurs, the substance melts, changing from a solid to a liquid state. Eureka was a series of short cartoons on physics that ran on public television in the 1980's.  The video explains the concept in simple and well illustrated way.  Good for students of any elementary school level. 
 
Found by Barb in Liquids
August 9, 2009 at 06:07 PM
 
Ages: 7 - 12     License: Undetermined
 
Rating:
Not Right For WatchKnowLearn
 
Views: 804
Comments: 10

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