"A big push can help your sister reach new heights on the swing, and a helpful hand can pull her up if she falls. Forces in motion are everywhere. They make things move with a tugging pull or a great, big push. Explore exciting science concepts through fun examples and simple, lively text to set learning into motion"--
Ages 5-6 Bearport Publishing Company.|||Grades K-1 Bearport Publishing Company.|||470L Lexile|||juvenile
by Spencer Brinker.
Includes bibliographical references and index.