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Featured Videos
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Not Right For WatchKnowLearn
Ages: 10 - 18
3713 Views:
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"The mix of moonlight, tide, and temperature triggers an extraordinary explosion of life in these waters. When the conditions are just right, divers can witness the reproduction of corals, snappers, yellowhead jawfish, and nurse sharks." (03:55)
April 7, 2009 at 06:48 AM
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Not Right For WatchKnowLearn
Ages: 7 - 18
4827 Views:
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In this edition of "Ask Dirk," KCRA 3 WeatherPlus Meteorologist Dirk Verdoorn explains how rain forms. A 'water cycle' experiment is set up with a tea kettle and a metal plate. The viewer can see that evaporation changes to condensation, then changes... to rainfall with this simple experiment. The video is slightly blurry. (04:06)
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July 1, 2010 at 06:11 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
1709 Views:
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Female mammals make milk, a cocktail of filtered blood, to provide their babies with vital nutrients.
May 28, 2018 at 11:46 AM
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Not Right For WatchKnowLearn
Ages: 6 - 10
12215 Views:
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This read aloud is "The Doorbell Rang" by Pat Hutchins. Ma has made a dozen delicious cookies. It should be plenty for her two children. But then the doorbell rings -- and rings and rings.Each ring of the doorbell brings more friends to share the del...icious cookies Ma has made. This a great resource for the elementary classroom. (3:53)
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May 16, 2012 at 07:41 PM
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Not Right For WatchKnowLearn
Ages: 9 - 12
7910 Views:
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In this video students learn to round a number to a given place using the following steps. First, find the digit in the rounding place. Next, look at the digit to the right of the rounding place. If the digit to the right of the rounding place is les...s than 5, round down, which means that the digit in the rounding place stays the same, and all digits to the right of the place become zero. If the digit to the right of the rounding place is 5 or greater, round up, which means add 1 to the digit in the rounding place, and all digits to the right of the rounding place become zero.
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January 25, 2010 at 02:26 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
5184 Views:
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Resistant to government regulated reservations, the Sioux retreated into the Black Hills until a final massacre at Wounded Knee. The story of the event and how the American soldiers massacred the Indians later. Quotes from Black Elk.
November 21, 2010 at 07:51 PM
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