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Screaming Balloon
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In this quick activity (page 1 of the PDF under SciGirls Activity: Extreme Sounds) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce t
Sound Automata
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.
Torsion Drum
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In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.