How It Works: Sound IWD2021 Olu is nervous about going

Olu is nervous about going to school for the first time—his legs are shaking and his tummy feels wobbly

when she’s abandoned in a snowy field in rural England as a baby

I am not apt to follow blindly the lead of other men

It’s simple (only 7 steps) and so much FUN

How It Works: Sound IWD2021 Olu is nervous about goingSssh, listen what can you hear? From musical harmonies to sonic booms, discover the science of sound and how we hear things. Why is most of space completely silent? Why does a recording of your voice sound strange? And what do bats, dolphins and a boat full of scientists have in common? The answers are all in this book, with lots of flaps to lift and simple experiments to do at home.