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Double Horn
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In this activity, learners explore sound by constructing their very own instruments using PVC pipes, soda bottles, and a straw.
Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.
Sound Automata
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.
Tube Zither
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In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.
Yogurt Cup Speakers
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Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.
Headphone Helper
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.
Make a Speaker
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In this activity, learners explore how an electromagnet works by making a simple one. Using this knowledge, learners design a diagram to make a working speaker using household materials.