Books in Looking at Simple Machines series

Describes the basic principle and parts of the wedge and how it was used in ancient times, along with some examples of how it is used today.

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

Explains how screws work and demonstrates how they are used to lift, grip, move, and squeeze objects in everyday life.

Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines and how inclined planes are used in everyday life to make lifting and lowering objects easier.

Introduces wheels and axles, including how they function together to create simple machines and how they are used in everyday objects to make life easier.

Explains how wedges work and describes some common examples, such as shovels, teeth, and knives.

Explains how a pulley works and introduces the ways it is used in everyday life.

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.

"A foundational look at wedges, explaining how these simple machines work and describing some common examples, such as shovels, that have been used throughout history"--Provided by publisher.

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

Describes the basic principle and parts of the screw and how it has been used throughout history, along with some examples of its modern-day uses.

Discusses wheels and axles and the ways in which they are used.