Science Pocket Simple Tools Machines Author:Dinah Zike, Jan Hutchings. Edited by Cathryn Berger Kaye Explore basic science skills, create 3-D models, discover, compare and classify. This book familiarizes the young learner with everyday tools and machines and some of their applications. As a result of completing this Science Pocket, a child will be able to: identify the six simple machines--inclined planes, wedges, levers, wheels and axles, ... more »pulleys and screws.« less