Bitesize has changed! We're updating subjects as fast as we can. Visit our new site to find Bitesize guides and clips - and tell us what you think!

Sound - Read

Introduction

Sounds are vibrations that can travel through different materials. The pitch of a sound is how high or low the sound is. The loudness of a sound is how loud or soft it is.

This section includes:

More from Sound:

Play Quiz

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.