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Boy with fingers in ears, fingers attached to string, attached to plastic coathanger

Acoustics with coat hangers

There is a world of sounds out there to discover. A nice way to start any of these experiments is to lie on the floor (or on the grass outside) with your children and just listen. What can you hear? Where do the noises come from? How does the noise travel to our ears? Which parts of our body do we use to hear noise? If we put our fingers in our ears does that stop the sound?

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Hayley Bates
Article author: Hayley Bates
National Certifications Coordinator

This passionate mathematician and former science teacher will inspire you with her enthusiasm for inquiry-based learning and her determination to provide high-quality hands-on and fun professional development.

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