Simple Machines
by D.J. Ward
illustrated by Mike Lowery
Machines make work easier. This is a good introductory book to six simple machines - the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Easy text and clear, friendly pictures help kindergartners spot simple machines in the world around them. Includes an easy activity to demonstrate a lever, though the small text and no visuals are a drawback.
Simple Machines
by Deborah Hodge
Kids learn best by doing, and this excellent book allows them to use simple machines in a variety of experiments. They'll construct ramps, lift objects, or make toys, allowing them to see how simple machines work. The activities are fun and easy enough for kids to do on their own. The instructions and explanations are clearly written and easily understood, while the bright, attractive photos convey enthusiasm.
Highly recommended for grades 1-3.
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