Sound: Vibrations, Pitch and Volume

Every sound you hear starts with a vibration. In this Year 4 course you will discover how sounds are made, how they travel to your ears, what changes the pitch and volume of a sound, and why sounds get fainter further away.

Tutwoo Kids is an independent learning service. This course is not affiliated with or endorsed by the Department for Education, Ofqual or any exam board, and Tutwoo Kids certificates are not qualifications. Content was checked against the national curriculum for England in October 2026.