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Matraca
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In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.
Sound Representation: Modems Unplugged
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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.
Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.
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.
Energetic Musical Instruments
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Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones.