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Not Right For WatchKnowLearn
Ages: 8 - 12
Physical and Chemical Changes of Matter - by StudyJams
From scholastic.com, produced by Scholastic
A physical change means that matter changes size or shape, but not its atomic makeup.  Chemical and nuclear changes alter matter on an atomic level.  Find out more about chemical and physical changes with this cartoon animation from StudyJams.  A sho... [more]
May 23, 2011 at 07:01 PM
Not Right For WatchKnowLearn
Ages: 9 - 18
Environmental Science : What Pollutes the Air?
From YouTube, produced by Rendered Communications
Pollution in the air can be caused by substances that are both man-made and natural compounds. Find out how air pollution can be caused by volcanic eruptions with help from the chair of a department of environmental studies in this video on air pollu... [more]
May 16, 2010 at 10:40 AM
Not Right For WatchKnowLearn
Ages: 7 - 16
Shark versus Octopus
From NationalGeographicVideo, produced by National Geographic
When a shark and an octopus are put in a giant aquarium together, they'll fight--but who will win? A National Geographic Video. Run time 02:45 This video could also be used to teach predator/prey relationships or even adjectives...as there are MANY... [more]
October 9, 2008 at 10:44 AM
Comments: 2
Not Right For WatchKnowLearn
Ages: 6 - 12
Changes in Energy - Dams
From YouTube, produced by Phoenix Learning Group, Inc.
This video uses cartoon illustrations to show how energy is produced through the use of a dam. Color animation and narration. 1:39 sec.
July 12, 2009 at 07:45 PM
Not Right For WatchKnowLearn
Ages: 8 - 14
Water Cycle Rap Song
From YouTube, produced by Discovery
A rap about the Earth's water cycle. The song raps about rain, evaporation, and condensation. The music video is from a Bill Nye episode on water.  (01:30)
July 17, 2009 at 01:05 PM