Description
How are a jack-in-the-box, door lock, and umbrella alike? How can a spring help you weigh a fish you’ve just caught? How can springs help you get somewhere on time? What kind of spring can lift you in the air? This book shows you how different kinds of these simple machines are all around you to make your work and play easier.
The most complicated machines often rely on a few simple principles of technology, such as wheels, springs, screws, ramps, and wedges. This series explores these technologies by relating them to common machines in our everyday world from bedsprings to skateboards to zippers. Numerous fact files offer readers fast facts and other pertinent information.
Heinemann Educational Books
Juvenile Nonfiction
Science & Nature
Edition: Physics
Keywords: Science & Nature
