A half-hour introductory video on mechanics and the metric system was produced with beginning physicists in mind. Note-taking guides are provided, in addition to a follow-up metric worksheet. For the lab, learners construct paper frogs....

Aristotle said, "The more you know, the more you know you don't know." Physics includes everything from the laws of motion to quantum gravity. An interesting video attempts to cover the main concepts of every branch of physics in only a...

Name that physicist! In the video lesson, Mr. Andersen introduces scholars to the classical physicists that began the branch of science called physics. He also explains the different branches of physics and talks about how to use science...

Ever wonder who or what made the buses you see around town? Man and machine work together to construct the buses we use everyday. Get a look inside the factory where public transit buses are made. Have your class consider the impact of...

See how ball bearings help a wheel to spin smoothly. [0:29]

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English - by speaking it, by writing it, by reading this very sentence - you are a...