There are so many concepts to discover when studying sound: frequency, pitch, the speed of sound, decibels, and more! Readers explore these topics in this colorful, illustrated volume. Activities and questions throughout engage readers with important science-curriculum topics such as echo and reflection of sound waves as well as fun, everyday information about how wind and string instruments work and comparing the volume of lawn mowers, people talking, and a jet taking off! Helpful diagrams engage visual learners with the science content.