Mechanics

inertia-table cloth: http://www.youtube.com/watch?v=cuG8sIiV8iQ&feature=related inertia-Eureka: http://www.youtube.com/watch?v=by-7kkAu2Pg&feature=related work-eureka: http://www.youtube.com/watch?v=IvcOYOO0Fvw kinetic energy -eureka: http://www.youtube.com/watch?v=zhX01toLjZs&feature=related conservation of energy - brainiac: http://www.youtube.com/watch?v=ZbCLAZSPLNk&feature=related roller coasters (conservation of energy): mid way through this link and then you can continue from you tube with the third part: --- http://www.youtube.com/watch?v=7OiikBdQEqM&feature=related