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Buzzer
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==Key Stage 1==
===Meaning===
A '''buzzer''' is something that makes a sound when you turn it on.
==Key Stage 2==
===Meaning===
[[File:Buzzer.png|right|300px|thumb|A picture of a [[buzzer]].]]
A '''buzzer''' is [[component]] in a [[circuit]] that makes a [[sound]] when you turn it on.