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In this activity, learners build their own sound machines and explore the interplay of motion and sound.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.

$1 - $5 per group Ages 4 - 18 10 to 30 minutes
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In this activity, learners explore sound by constructing their very own bagpipe instrument.

$5 - $10 per student Ages 6 - 11 45 to 60 minutes