59,077,466 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: 4 - 11
Sid the Science Kid: Where Does Rain Come From
From pbskids.org, produced by PBS Kids
This is a short and simple explanation of where precipitation comes from.  The video is set in a classroom where a teacher explains about clouds, rain, snow, etc.  This would make a great introduction to studying rain.  It also compliments the Common... [more]
July 16, 2012 at 01:20 PM
Not Right For WatchKnowLearn
Ages: 9 - 18
NASA | Show Me the Water
From YouTube, produced by NASA Goddard
Freshwater seems abundant, but when accounting for all the water on Earth, it's in limited supply. Just three percent of the water on our planet is freshwater. A majority of this water, about two percent of the world total, is contained in glaciers a... [more]
August 17, 2014 at 01:55 PM
Not Right For WatchKnowLearn
Ages: 4 - 10
Story-Time With Mercer Mayer: Professor Wormbog In Search For The Zipperump-A-Zoo
From YouTube, produced by Big Tuna New Media, LLC, c. 2006
Mercer Mayer, author and illustrator of this book, introduces the video, exits the screen and reappears dressed as Professor Wormbog's "brother, " who reads the story to the audience in a "British" accent.  Professor Wormbog has a vast collection of ... [more]
Found by ZG in Mayer, Mercer
July 11, 2009 at 08:43 AM
Not Right For WatchKnowLearn
Ages: 13 - 18
The Muscular System : Types of Muscle Contraction
From YouTube, produced by mrfordsclass
In this video we take a look at the types of muscle contractions: isometric, isotonic, concentric, and eccentric. We also cover the relationship muscles have with each other, specifically the agonist, synergists, antagonist, and fixator. (06:03) This... [more]
October 2, 2014 at 02:59 PM
Not Right For WatchKnowLearn
Ages: 7 - 18
Five Loaves and Two Fishes - Corrinne May
From YouTube, produced by Philothea Liau
This beautiful video tells the story of the five loaves and two fishes from the perspective of a 13-year-old boy. He follows the crowd and saw thousands listening to one man. There was no food for the crowd and the little boy offered his lunch. Take ... [more]
February 27, 2011 at 10:25 PM