simple machines

Photographs and simple text describe the different types of simple machines that people use in their everyday lives.

Provides a simple introduction to the use of levers, pulleys, and wheels to move heavy objects.

Introduces the science of how levers work and describes different kinds of levers and the jobs they do.

Introduces the science of how wheels and axles work and describes different kinds of wheels and the use of wheels throughout history.

This accessible book helps readers relate wheels and axles to the technology in their daily lives through cool real-world examples.

This innovative book introduces readers to real-world examples of the wedge and thoroughly explains how this tool works.

An introduction to simple machines.

This accessible book introduces readers to this simple machine and its many uses through real-world examples.

Readers will learn all about this important, simple machine through detailed pictures with thorough annotations.

This accessible book introduces readers to the lever through real-world examples.