How light and sound move around us around amazing--and can be difficult to understand. From the X-rays to breaking the sound barrier, there are some incredible extremes to explore within these topics too! In this volume, readers explore light and sound, learning the basics of how they work as well as some of the coolest things they can do. Graphic organizers aid comprehension of key science concepts, supplementing the age-appropriate text and offering visual learners other ways to review the topics.