June 15, 2010

Simple Machines--Wheel and Axle

The books we used:

How to Catapult a Castle.
Marbles, Roller Skates, Doorknobs: Simple Machines that are Really Wheels by Christopher Lampton. (No pic available.)

Wheels Around by Shelley Rotner. (No pic available.)

Levers, Wheels, and Pulleys by John Farndon.
Move It! Work It: A Song About Simple Machines by Laura Purdie Salas.
The kids, the Dad, and the rubberband car.

A different car.

I love it when the hubby takes over for me.


  1. You hit comprehend out of the most construction topics.

    I'm planar by your table make up the superior production.