Turn It Up! Turn It Down! : Volume

Exploring Sound is an exciting new series that focuses on how sounds are made, how we hear sounds, and how and why sounds vary in pitch, frequency, and volume. Using examples from everyday Life and fun activities, readers are introduced to these key concepts and encouraged to explore them independently. How do sound waves travel? Which bird makes a booming sound that travels long distances? Which materials absorb sound waves? Each Exploring Sound title offers: easy-to-follow activities that investigate different aspects of sound, clear and informative diagrams and explanations, comprehensive topic coverage