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Props for teaching concept of intensity to deaf children

Mike Alf gmalf19 at mail.idt.net
Tue Feb 4 06:47:22 EST 1997

>Dear all,
>Can you please suggest some props/devices to teach very
>young deaf children (4-7 years old) the concept of  intensity.
> I have some ideas like dim light to very bright light and cold 
>to very hot. Any ideas on other different props I can use to 
>teach this concept via visual or touch.
How about using a speaker (woofer) driven by a signal generator/amp
tuned to the speaker's  resonant frequency.  The change in the
displacement of the diaphragm could be observed as well as the feeling
of the sound at different levels. 


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