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Then there is the ever-present hand or foot-powered generator.....

These are fun and do teach that it takes mechanical energy to make electrical energy with this sort of device. However, most fail to show the science behind what makes them work. Anyone out there know of examples that do get at the basic science of electro-magnetic generators? We ended up building a separate exhibit that replicates Faraday's 1831 experiment with moving magnets and coils of wire.

John Bowditch

> ----------
> From: 	Jonah Cohen
> Reply To: 	Informal Science Education Network
> Sent: 	Friday, July 1, 2005 1:37 PM
> To: 	[log in to unmask]
> Subject: 	Re: most common exhibits?
> 
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> You know what else is present at a whole lot of places? An exhibit about the
> local river/lake/estuary/watery body. Expect to find one of those
> stream/erosion tables in there.
> 
> Jonah Cohen
> Outreach & Public Programs Manager
> Science Center of Connecticut
> 
> "On blind faith they place reliance,
> what we need more of is science"
>            -MC Hawking
> 
> -----Original Message-----
> From: Fred Stein [mailto:[log in to unmask]] 
> Sent: Friday, July 01, 2005 12:35 PM
> To: [log in to unmask]
> Subject: Re: most common exhibits?
> 
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ****************************************************************************
> *
> 
> Hi Lisa,
> 
> good question. I'll be curious to hear what people think are the most comon
> in museums.
> 
> Here's my first pass:
> 
> colored shadows
> 
> whisper dishes
> 
> funny mirror exhibits (parabolic mirrors, funhouse mirrors, watch yourself
> fly, etc.)
> 
> I'd also be curious what people think are the most popular in their own
> institution and if the lists have a lot of overlap.
> 
> cheers,
> 
> 
> 
> 
> 
> 
> Fred Stein
> Science Educator
> Exploratorium Institute for Inquiry
> 3601 Lyon St.
> San Francisco, CA 94123
> (415) 561-0332
> [log in to unmask]
> 
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> More information about the Informal Science Education Network and the
> Association of Science-Technology Centers may be found at http://www.astc.org.
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