5/6/10
Post date: May 06, 2010 6:24:57 PM
Bell Ringer: What is a lever? Give an example.
Simple machines
There are six types of simple machines, divided into two families
Lever Family
Simple lever - teeter totter, hammer
Pulley - cable pulleys, gears
Wheel and axle - steering wheel, screw driver
Inclined Plane Family
Simple inclined plane - ramp, hill
Wedge - axe, knife, doorstop, point of a nail
Screw - drill bit, screw, spiral staircase, winding mountain road
Rube Goldberg Machines
Watch video
Design your own Rube Goldberg Machine - described on handout
Designed to accomplish some simple, everyday task
Draw out and describe each step
Must have at least 10 steps
Must include at least 4 of the 6 simple machines, clearly labeled
Build your machine and take pictures or video to share with the class for extra credit.