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It's a pretty brief activity, but personally I'm always floored by the
one where you point both index fingers straight out, place a yardstick
on top of your fingers, then slowly slide your fingers closer together.
When they meet, they'll be in the center of the yardstick - no matter
where you start them. Freaky!

Jonah Cohen
Outreach & Public Programs Manager
The Children's Museum


"Lisa! In this house we obey the laws of thermodynamics!"

            -Homer Simpson

 
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-----Original Message-----
From: Informal Science Education Network
[mailto:[log in to unmask]] On Behalf Of Mary Catherine
Campbell
Subject: Center of Gravity

I need help in teaching center of gravity / balance concepts to
elementary students.  I'm looking for ways to demonstrate finding the
CoG as well as ways that students can display the concept.  Any activity
ideas or background information would be greatly appreciated.

 

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