March 15, 2012
Village of Barboursville Elementary
This pinwheel car go into the wind!
One of these goes forward and one back.
The difference is where the crown gear is placed.
If the pinwheels are made opposite then the crown gears must be on opposite sides also.
Spring Hill Elemenary
Lesson Plans
I have windmills up in March at
http://SENSORSCITY.marshall.edu
