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Hi Tabitha,
A simple photosynthesis activity might be ready done with leaf punch outs, a carbonated solution and light. photosynthesis with leaf discs . It's very easy to do after a bit of fussing around with the protocol.  Students might even do some comparative rate measurements, and it pretty much always works.
C
On Oct 30, 2013, at 5:21 PM, Finch, Tabitha (MU-Student) <[log in to unmask]> wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> We're working on developing a 2 hour plant sciences program and want to include an activity on photosynthesis. Does anyone have any creative, hands-on activities to share that would be appropriate for a 7th grade audience?
> 
> Any new and/or interesting ideas are welcome!
> 
> Tabitha Finch
> Manager of Science Education
> McWane Science Center
> 
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Charles Carlson
Senior Scientist | Teacher Institute

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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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