Making Machines with Screws

Simple Machine Projects

by Chris Oxlade (Contributor)

Looking back to the origins of screws in machines designed to press olives and raise water, this book explains how to create screws that make it possible to transport marbles along a tube and lift a plank of wood with just one finger. Age 7-9

32 pages, Hardcover

Published May 7, 2015

About the author

Chris Oxlade is the best-selling author of more than 150 non-fiction books, most of them explaining complex scientific ideas and modern technology to young readers in readable text.