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Stethoscope
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Make a copy of the first stethoscope with only a cardboard tube! René Laennec invented the first stethoscope in 1819 using an actual paper tube!
Catch the (Sound) Wave!
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See and hear how sound waves travel through different types of materials. Extend the experiment online and learn how you can "see" with sound waves using ultrasound.
Sounds of the Heart
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In this activity, learners will investigate the sounds of the heart.