Andrea Rivera

Simple Machines Andrea Rivera

Simple Machines helps readers discover the science behind tools such as levers and pulleys that help people do work. Each book is broken down into easy-to-read chapters with real-world applications. Plus, vibrant, full-color photos grab visual learners' attention and help bring each subject to life. Aligned to Common Core Standards and correlated to state standards. Abdo Zoom is a division of ABDO.