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A favorite sun dial activity that might work is the Pocket Sunclock from Dennis Schatz: 
http://dennisschatz.org/activities/Pocket%20Sun%20Clock.pdf

Another good activity that can be quick and gives them something to take away with them is the Pocket Solar System:
http://nightsky.jpl.nasa.gov/download-view.cfm?Doc_ID=392
With just a strip of register tape, you create a scale model of the distances to the planets' orbits, with results that often surprise participants and that can lead to some great discussions.

The Night Sky Network has dozens of astronomy activities available for free online. They are designed for use by amateur astronomers at star parties, so are usually quick demos that work in a variety of settings. You can browse them all here:
http://nightsky.jpl.nasa.gov/download-list.cfm

Good luck!

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Anna Hurst
Astronomical Society of the Pacific
390 Ashton Ave, SF, CA 94112
415-337-1100 ext. 108
[log in to unmask]

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On May 13, 2010, at 11:18 AM, Wayne Watson wrote:

> 
> Tomorrow I'm going to help a local school by talking about the sun. Afterwards we will go out an observe it with a solar telescope. One of the organizers wants to know if I can keep the kids in line busy at something. Any ideas? The only thing I can think of at the moment, is to ask them to identify as many common products that have at astronomical name.  Comet cleaner, Ford Galaxy, ...
> 
> -- 
>           Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
> 
>             (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
>              Obz Site:  39° 15' 7" N, 121° 2' 32" W, 2700 feet
>               "I would rather discover a single fact, even a
>                small one, than debate the great issues at length
>                without discovering anything small." -- Galileo
> 
> 
>                    Web Page:<www.speckledwithstars.net/>

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