Sight and sound help us understand the world around us. Sounds travel to our ears and we see images with our eyes. Learn the science behind how your eyes and ears work together to receive messages in this science reader! The vibrant images paired with easy-to-read text help simplify science topics and keep students engaged from cover to cover. This reader also includes instructions for an engaging science activity and practice problems to further students' understanding. A helpful glossary and index are also included for additional support.