Mind webs, also known as spidergrams or mind maps, are great for learning about the science of light and sound. In this book you can find out how light travels, what sound waves are, how your eyes can see and which light and sound inventions have changed the world. With more than 200 illustrations showing how light and sound work, this series is perfect for visual learners. The Mind Webs series are great revision tools for students at Key Stage 2,...