Can you imagine life without sound? People and animals use various forms of sound to communicate their thoughts. This may be done face-to-face or with a telephone. You will learn how sound and sound waves travel through water, air and space. Discover how to communicate with astronauts or aliens in space where sound can not be heard. With this kit you will be making some of the world’s greatest inventions leading to the modern telecommunication era. Never has a book about SOUND AND SOUND WAVES made learning about science so much fun!