61,304,480 Videos Watched

Age Filter: Click to Set

Embed Video
Embed Video:
URL of source video:
Simply give the URL and we will get the embed code automatically, if we support embedding from the site.

Featured Videos

Not Right For WatchKnowLearn
Ages: 10 - 17
United States History from 1865 to Present
From YouTube, produced by Research Channel/University of Minnesota
In tihs video six distinguished University of Minnesota professors from fields ranging from African Studies to surgery, come together to examine current perspectives in U.S. history. What was America like after the Civil War? What really went on duri... [more]
July 24, 2009 at 05:00 PM
Not Right For WatchKnowLearn
Ages: 6 - 18
Seafloor Spreading
From YouTube, produced by Discovery Education
A video clip featuring the discovery of seafloor spreading and its contribution to the development of the Plate Tectonics. This video has good graphics that show the student how the seafloor is spreading. This video clip is hosted by Bill Nye. (8:05)
March 31, 2009 at 11:08 PM
Not Right For WatchKnowLearn
Ages: 14 - 18
Chordates - CrashCourse Biology #24
From YouTube, produced by crashcourse
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian os... [more]
December 9, 2012 at 10:03 AM
Not Right For WatchKnowLearn
Ages: 5 - 7
Prefixes 'un' and 're' - The "Un" People Zipped and Unzipped
From YouTube, produced by PBSKids.org
This short animated clip tells about the meanings of the prefixes "un" and "re" in a funny cartoon. First, the rhinos are zipped up in the bag. Then, the "un" people "unzipped" the bag. It takes the heroism of the "re" people to "rezip" the bag. Prod... [more]
Found by CKR11 in Prefixes
July 29, 2009 at 09:33 AM
Not Right For WatchKnowLearn
Ages: 8 - 14
Women at work WWII 1943
From YouTube, produced by Office of War Information
Edited from the 1943 US Government film "Manpower" to recruit women into factories for the war effort, issue of equal pay for similar work, ergonomics, and child care are highlighted. (01:36)
July 12, 2009 at 02:29 PM