ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Sorry about that - REPLIED to wrong email.  Please disregard.



Benjamin Burress
Chabot Space & Science Center
10000 Skyline Blvd.
Oakland, CA  94619
(510) 336-7308
www.chabotspace.org

"That's not something you see every day...unless you're us!"



-----Original Message-----
From: Informal Science Education Network
[mailto:[log in to unmask]] On Behalf Of Beryl Rosenthal
Sent: Monday, November 05, 2007 9:56 AM
To: [log in to unmask]
Subject: Re: pulley/lever exhibits


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
>
> **********************************************************************
> *
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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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