Vending Machines

by Tracy Abell

Overview

Introduces readers to the science that makes vending machines possible. Accessible text, helpful diagrams, and a "How Does It Work?" feature make this book an exciting introduction to understanding technology.

Product Details

ISBN-13:	9781635174342
Publisher:	North Star Editions
Publication date:	08/01/2017
Series:	How It Works
Sold by:	Barnes & Noble
Format:	eBook
Pages:	32
Lexile:	730L (what's this?)
File size:	8 MB
Age Range:	8 - 11 Years

Table of Contents

Chapter 1 From Temples to Snacks 5

Chapter 2 Codes, Cogs, and Coils 11

Chapter 3 Ways to Pay 17

How it Works: Bill Validator 22

Chapter 4 Making Better Machines 25

Focus on Vending Machines 30

Glossary 31

To Learn More 32

Index 32