Bikes and Boards

From the physics of a rolling wheel to the design of a surfboard, Bikes and Boards by Lisa Greathouse introduces readers to biking, skateboarding, snowboarding, and surfing. The book explains the forces behind each sport, showing how gravity, friction, and momentum enable tricks and techniques, and it offers clear step-by-step guidance for beginners. Alongside the science, the history of boards and bikes is traced, from early wooden scooters to modern carbon-fiber designs, highlighting key innovations and cultural shifts. Aimed at middle-grade readers, the accessible explanations and fun facts make complex physics easy to understand while keeping the focus on the excitement of the sports.