Simple Machine Science - Set of 2

Simple machines run our world. The fork you use to eat your dinner is a lever. The stairs in your home or school are inclined planes. Without wheels and axles, you wouldn't be able to ride your bike. Through accessible science language, paired with enlightening photographs and illustrations, readers will discover simple machines at work in our world.

Features:

• Index
• Glossary
• For Further Information Section
• Detailed Table of Contents
• Age Appropriate and Achievable Content

Titles include:

	Screws
	Wedges