Here’s humorous proof of just how fun it is to observe with your ears. A whimsical introduction to pitch and volume, this book practically begs young scientis

How sounds are produced and received in the ear is described simply with related activities.

A comprehensive, kid-friendly examination of how sound works. How does sound happen? How do we hear it? What makes some sounds loud and some soft? Some high pit

Read and find out about people and animals use different kinds of sounds to communicate in this colorfully illustrated nonfiction picture book. Sounds are all a

Fireworks crackle and boom in the sky. Your friend laughs at a joke. Sounds are all around you. But what exactly is sound? And how does sound reach your ears? R