
At a very early age, we learn that our ears are what we use to hear. But how does that actually work? Readers find out in this informative guide to a popular beginner science concept. As readers discover the basics of sound energy and how it travels, they develop a deeper understanding...

At a very early age, we learn that our ears are what we use to hear. But how does that actually work? Readers find out in this informative guide to a popular beginner science concept. As readers discover the basics of sound energy and how it travels, they develop a deeper understanding...