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Joined: Sep 2005
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Joined: Sep 2005
Posts: 3,328
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Simple but effective
Old 04-12-2007, 09:21 PM
 
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What I always do to introduce the unit is have the kids hum or talk with a partner and then feel each other's throats, to see that sound is vibration. It seems kinds like a "DUHHH" thing to do, but my students are always fascinated.
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