Learn how forces and simple machines can work together to create The Compound Machine!
Learn about simple and compound machines while you explore the House and Tool Shed!
How many different ways can you help the ball reach its goal? Explore our assortment of objects to create your own paths, learning as you go.
-From the Site
Roller coaster builder where you can adjust lots of variables (even gravity).
Online activity---kids play with big and small pulls. They can also change the surface of the track to see how friction changes the motion of a car on a track.
Online resource from the FOSS science units. Includes games, links and online content for teachers and students.
Mrs. Altham only watched the first one, so be sure to pre-view. The first one is hilarious and really shows the nonsense behind these machines.