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Ages: 8 - 14
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Earth in Motion: Seasons - Interactive Site
From teachersdomain.org, produced by Adler Planetarium
Earth's orbit around the Sun, together with the tilt of its axis, results in periodic climate changes around the globe known as seasons. Different locations experience different types of climate changes. For example, some places have extreme seasonal... [more]
September 6, 2010 at 12:43 PM
Not Right For WatchKnowLearn
Ages: 9 - 18
2330 Views:
Breath of Life: Lower Air Pollution Extends Life Expectancy
From Hulu, produced by NBC News
A 2009 study finds Americans' life expectancy increased by 2.7 years since the late 1970s, with 5 months of that attributable to decreases in air pollution from cars and factories. Run time 02:10
Found by begamatt in Pollution
April 24, 2010 at 10:22 AM
Not Right For WatchKnowLearn
Ages: 10 - 18
3220 Views:
Mousetrap Car Introduction
From YouTube, produced by Bill Kuhl
Simple mousetrap car kit designs are shown in this video. Mousetrap cars are a perfect example of elastic potential energy that is tranfered into kinetic energy.  The narrator also explains to students how they can build their own car.  (03:46)
November 8, 2010 at 11:55 AM
Comments: 1
Not Right For WatchKnowLearn
Ages: 5 - 18
9698 Views:
"My Robot is Better Than Your Robot"
From YouTube, produced by I.am.First
This four-minute video features several celebrities and each explains the importance of science in everyday lives. (03:50)
Found by cmsmith in Science
August 28, 2011 at 11:09 AM
Not Right For WatchKnowLearn
Ages: 5 - 18
9698 Views:
"My Robot is Better Than Your Robot"
From YouTube, produced by I.am.First
This four-minute video features several celebrities and each explains the importance of science in everyday lives. (03:50)
Found by cmsmith in Favorites
August 28, 2011 at 11:09 AM
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