Khan Academy

The Khan Academy is a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.They are more than 600 videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, and finance which have been recorded by Salman Khan.

To keep abreast of new videos as they add them, subscribe to the Khan Academy channel on YouTube.

Phun- 2D Sandbox

Phun is a free game like 2D physics sandbox where you can play with physics like never before. The playful synergy of science and art is novel, and makes Phun as educational as it is entertaining.

Interactive Physics Simulations

Interactive Physics Simulations
Fun, interactive, simulations of physical phenomena from the Physics Education Technology project at the University of Colorado.