Simple Machines: Forces in Action

Do it Yourself

by Buffy Silverman

How did the Ancient Egyptians build the pyramids? What is an Archimedes screw? Which wedge do you use every time you eat? 'Do It Yourself' offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.

48 pages, Library Binding

First published January 1, 2009

About the author

Author of nonfiction and poetry for young readers. Nature lover with a camera on hand.