Learn how sounds are made and why some are louder than others.

This engaging book explains how we hear sounds, with easy-to-understand examples and fun, hands-on experiments.


This engaging book explains how sounds are made, with easy-to-understand examples and hands-on, fun experiments.

This concise, four-book series about sound covers how sounds are made, how we hear sounds, and how and why sounds vary in pitch, frequency and volume. Every book is packed with interesting, easy-to-understand examples and loads of hands-on, fun experiments with sound.

This concise, four-book series about sound covers how sounds are made, how we hear sounds, and how and why sounds vary in pitch, frequency and volume. Every book is packed with interesting, easy-to-understand examples and loads of hands-on, fun experiments with sound.

This engaging book explains the concepts of pitch and frequency, with easy-to-understand examples and fun, hands-on experiments.