Books in How Simple Machines Work series

"Through carefully leveled text and powerful images, explores pulleys a useful simple machine"--

Introduces wheels, including how they function with axles to create simple machines, their role in reducing friction, and how they are used in everyday objects to make life easier.

Looks at screws, explaining how these simple machines work and describing their physical characteristics.

Clear Definitions Supported By Everyday Examples And Easy Hands-On Activities Introduce Young Scientists To Wedges.

Introduces the principles of levers as simple machines, using examples from everyday life.

Clear Definitions Supported By Everyday Examples And Easy Hands-On Activities Introduce Young Scientists To Wedges.

Explains how wedges and inclined planes work and demonstrates how they are used to cut, pierce, grip, and lift objects in everyday life.

Discusses how pulleys work and gives examples of pulleys in action.

Clear Definitions Supported By Everyday Examples And Easy Hands-On Activities Introduce Young Scientists To Inclined Planes.

Describes how levers work and gives examples of levers in action.

Clear Definitions Supported By Everyday Examples And Easy Hands-On Activities Introduce Young Scientists To Levers.

Text and pictures introduce the wheel, a simple machine used primarily to make it easy to move heavy loads