Summary
Where does sound come from? This explainer shows how vibrating objects create sound waves that travel through the air to our ears, plus how pitch and volume change. A clean intro to a sound or waves lesson.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Every sound starts with something vibrating.
- What has to happen for a sound to be made?
- How does a sound get from an object to your ear?
- What makes a sound higher or lower (pitch)?
- What makes a sound louder or softer (volume)?
Quick work-a-long
Vocabulary: sound, vibration, wave, pitch, volume.
Try it: Gently rest your fingers on your throat and hum. Describe the vibration you feel.