In Trampolines, early fluent readers explore the physics behind this popular backyard toy. Vibrant, full-color photos and carefully leveled text engage young readers as they explore how a trampoline works. An infographic explores the behavior of a trampoline's springs, and an activity offers kids an opportunity to extend discovery. Children can learn more about trampolines using our safe search engine that provides relevant, age-appropriate websites. Trampolines also features reading tips for teachers and parents, a table of contents, a glossary, and an index. Trampolines is part of Jump!'s Early Physics Fun series.