Sloping up and down
Subtitle: the inclined plane
By: written by Felicia Law and Gerry Bailey ; illustrated by Mike Spoor
Contributors: Bailey, Gerry, 1945- author; Spoor, Mike, illustrator
Series: The robotx get help from simple machines
Publisher: Crabtree Publishing Company
Published: 2013
Place of publication: St. Catharines, Ontario; New York, New York
Language: eng
Number of pages: 32
ISBN-13: 9780778704195; 9780778704256; 9781427175373; 9781427175311
Copyright date: 2014
Subjects: Robots; Juvenile literature; Inclined planes
Description: RobbO and RobbEE explore the history and benefits of using a ramp.
Notes: Includes index.

Includes bibliographical references and index.
Table of contents: title: The robots' workshop; title: The story of Sisyphus; title: Ramps; title: Pyramid ramps; title: Higher and higher; title: Robbo's science workshop; title: Stairs and steps; title: The escalator; title: The marble run.