Making Machines with Ramps and Wedges

Simple Machine Projects

by Chris Oxlade (contributor)

What is the difference between a ramp and a wedge? How are they used, and why do they work? These straightforward experiments strikingly reveal their power to move heavy items more easily and cut through air and water more efficiently. 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.