Machines
Block and Tackle – From “How Stuff Works”
Simple Machines – From Edheads
Animated Engines – Information about many kinds of engines
Wonderville Levers – Exploration of levers in Medieval times
The Inventor’s Toolbox: Simple Machines – Explanation of the simple machines
Eureka Video on the Inclined Plane
Eureka Video on Mechanical Advantage
Eureka Video on the Screw and the Wheel
Simple Machines Used in History
Friction
Friction Explorer Interactive Activity – from SEED, lets you see how a sliding object behaves when you vary the force
Just for Fun
Launchball – Great game that requires students to build a system while exploring heat, electricity, magnetism, forces, and conduction
Tinkerball – Build an invention to get a ball to the final goal
Grain Strain – Build an invention to get pieces of grain into a bucket in only a minute
Fantastic Contraptions – Build a contraption to get a ball to the goal