Title: Light and Sound
Description: How does sound travel? What is sonar? Why do cats see well in low light? Read this book to find out the answers to these questions and more. Find out how light and sound move. Which moves faster, light or sound? Why can't astronauts hear each other in space? Each book includes three simple activities or experiments to try.
Subjects: Light, Juvenile literature, Optics, Sound, Light, juvenile literature, Sound, juvenile literature