Pulleys - simple machines
Simple Machines lesson for 3rd grade unit. From Disney's Bill Nye the Science Guy. Levers, pulleys, and wheels. Also clips from Eureka!, a ...
Mechanical Advantage - Pulleys
Download/DVD: hilaroad.com This video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school ...
Inclined Planes
Simple Machines part 2 lesson for 3rd grade unit. From Disney's Bill Nye the Science Guy. Levers, pulleys, and wheels. Also clips from Eureka ...