"Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work--lift and lower, separate, and open."--
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ISBN: 9780778704164 (hardcover)
Physical Description:32 pages : color illustrations ; 27 cm.print
Publisher:St. Catharines, ON :Crabtree Publishing,2014.
Bibliography, etc. Note: Includes bibliographical references and index.
Formatted Contents Note: The robots' workshop -- Archimedes' claw -- A very tall lever -- Picking up the paint -- Fishing with a lever -- Three kinds of lever -- Lots of levers -- Digger -- Robbo's science workshop -- Build a catapult.