Wedges
By: by Katie Marsico ; illustrated by Reginald Butler
Contributors: Butler, Reginald
Series: Simple machines
Publisher: The Child's World
Published: 2013
Place of publication: Mankat, Minn
Language: eng
Number of pages: 24
ISBN-13: 9781614732778
Subjects: Wedges; Simple machines; Juvenile literature
Description: Presents a look at wedges, explaining how these simple machines work and describing some common examples, such as axes, that have been used throughout history.
Notes: Includes index.

Includes bibliographical references (page 24) and index.
Table of contents: title: Tools and machines --; title: The work wedges do --; title: Split it --; title: Hold it open --; title: Thick or thin? --; title: Wedges everywhere.