P234 - Investigating loud and quiet sounds
An activity that supports children to learn, the larger the vibration, the louder the sound produced.
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P241 - Detecting vibrations from sounds
Activities that help children learn that we only hear sound when something is vibrating.
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P127 - How changing the voltage affects the volume of a buzzer
An activity where children systematically add batteries to a circuit to see how it affects sound.
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