"Here on Earth, we are in constant motion - even when we are asleep! Learn about the forces that affect every move we make. Then create a catapult, a balloon-powered boat, a spool racer, and other fun projects to explore the science of motion. Let's get moving!" -- Back cover.

The Science of Motion -- Remaining at Rest -- On the Move -- Mass in Motion -- Action and Reaction -- Falling Fast -- Slip and Slide -- What a Drag! -- Energy in Motion -- Full of Potential -- Glossary -- Index -- Show What You Know -- Further Reading -- About the Author.