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Subject:
Re: pulley/lever exhibits
From:
Beryl Rosenthal <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Mon, 5 Nov 2007 12:56:00 -0500
Content-Type:
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************

Try "The Magic House, St. Louis Children's Museum", 516 S. Kirkwood 
Road, 314-822-8900.  They had the pulley a number of years ago.  The St. 
Louis Science Center used to have a giant lever.
Beryl

Bill Watson wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Hi, all - 
>
> If your institution (or an institution you know or have visited) has
> either of the following types of exhibits, would you please email me
> off-list ([log in to unmask]) to let me know? 
>
> 1) A "giant pulley" exhibit - the kind where visitors sit on a series of
> chairs (usually 2 or 3), each of which has a pulley system of a
> different mechanical advantage (i.e., different numbers of
> pulleys/ropes), and try to pull themselves toward the ceiling using the
> pulley systems. 
>
> 2) A "giant lever" exhibit - a) The first-class lever kind, in which a
> heavy load is placed on one end of the lever, and ropes of varying
> distance from the fulcrum are placed on the other OR b) The
> second(?)-class lever kind, in which the fulcrum is on the floor and 2
> ropes are attached on a lever extending toward the ceiling at different
> distances from the fulcrum. (When I've seen visitors use this exhibit,
> it's often been as a "tug-of-war".)
>
> Thanks, 
>
> Bill
>
> Bill Watson
> Research Assistant, SCALE-uP
> Doctoral Candidate, Curriculum & Instruction
> The George Washington University
> (202) 994-1171
> www.gwu.edu/~scale-up
>
> ***********************************************************************
> For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
>
> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
>
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For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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