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Liz
We have a dig in our evolution exhibition, Charlie and Kiwi's Evolutionary Adventure and we are using a sand/wax mixture that Sean Duran (Miami Sci Museum) developed at the Academy of Sciences in Philadelphia. It is relatively hard and I think it won't work for a cart as kids work for a loooong time at it. Eric's remarks are on target. For a cart activity it would seem that given the popularity of the activity you want re move kids in and out in relatively short time so maybe the rubber would be best, for a variety of reasons. However, if it is too easy there is no challenge.
So what are your goals? I think they will determine what you ask the kids to do and how you structure the activity. There are lots of alternatives depending upon your goals.
Martin
On May 20, 2010, at 8:43 AM, Liz Kelley wrote:
> 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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>
> Greetings fellow science educators!
>
> I am putting together an "Archaeological Dig Cart" to accompany our upcoming Cleopatra exhibit (http://www.fi.edu/cleopatra/cleo_tickets.html). The cart would be part of our general floor programming. I am envisioning a small (3'x5') "dig site" that visitors can interact with-- use real tools to uncover pottery shards, bones etc. A few questions: does anyone have any tips for a project like this? Suggestions for the digging medium (sand, plaster, dirt, etc)? Ideas on how to make this a more enriching experience?
>
> I would really appreciate any input or suggestions!
>
> Have a great day,
>
> Liz Kelley
>
> Public Programs Manager
> The Franklin Institute
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> (215)448-1375
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__________________
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Martin Weiss, PhD
Science Interpretation Consultant
mweiss at nyscience dot 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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