Featured Videos

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: 8 - 14
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: 8 - 13
The Fifty States that Rhyme (song)
From YouTube
Another 50 states song, also to the tune of "Turkey in the Straw." With the words and state shapes on screen. First at normal speed, then double time. Run time 02:48.
December 2, 2008 at 09:24 AM
Not Right For WatchKnowLearn
Ages: 8 - 18
Water: State of the Earth
From NationalGeographicVideo, produced by National Geographic
"In 2006 higher levels of carbon dioxide in the air had a negative impact on oceans, hitting marine life hard. A more acidic ocean means weaker shells and skeletons of billions of tiny sea creatures. These creatures may be small, but they create more... [more]
Found by jammin0 in Pollution
April 20, 2009 at 02:41 PM
Not Right For WatchKnowLearn
Ages: 7 - 14
Turtle Defenses
From teachersdomain.org, produced by WPSU
In this video from the WPSU’s series Outside, a staff member from Shaver’s Creek Environmental Center at Penn State University explains how some species of turtle protect themselves in their environment. Turtles, like many other species, are facing o... [more]
October 2, 2010 at 12:14 PM