Simple Machines
Item: 273105

Simple Machines

ISBN: 978-0-516-27310-5

by Allan Fowler

Rookie Read-About® Science brings a broad array of topics to vibrant life with striking, full-color photos and just the right amount of fun, factual, fascinating text.

This title describes and compares the four kinds of simple machines, levers, pulleys, wheels, and ramps.

Paperback, 32 pages