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A demonstration of how particles vibrate and collide with one another to create sound. When a drum is hit, the air particles next to the drum skin vibrate and collide with other particles, and this vibration is then transmitted through the air. This is known as wave compression, which allows sound to travel quickly through the air.
This clip is from:
First broadcast:
12 October 2007

Classroom Ideas

Could be used as starting point to understanding sound. Pupils could use drums to emulate sound effects. The clip could also be used to set up their own sound vibrations with children in a line to visually reinforce the point, as per the clip. It could be used to reinforce any misconceptions.

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