Includes bibliographical references (p. 23) and index.
Contents:
iScience puzzle -- Discover activity -- What is gravity? -- What is balance? -- Connecting to history -- What is the center of gravity? -- Science at work -- Solve the iScience puzzle -- Beyond the puzzle.
Summary:
"Describes how we use balance and motion every day, and explains how gravity has an effect on everything on Earth. As readers use scientific inquiry to learn the stability and instability of objects, caused by gravity, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.