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Sound Dampeners
Source Institutions
In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.
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Decibel Cannon
Source Institutions
In this activity, learners will construct an air cannon as a model for the human ear.
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Doppler Effect
Source Institutions
In this activity, learners use a tuning fork to explore how the Doppler effect works.