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This just came across my desk...the Environmental Working Group  
sunscreen guide
http://www.ewg.org/cosmetics/report/sunscreen09

The group surevyed 1590 sunscreens and claims 3 of 5 do not actually  
do the job.


--Jason



On Jul 9, 2009, at 7:10 AM, LeBlanc, Denise wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
> institutions.
> ********************************************************************** 
> *******
>
> You can do some great hands on experiments with UV Detecting Beads  
> from
> Education Innovations. We do Rays Awareness, a program where visitors
> make and take UV bead bracelets that they can experiment with at home
> (inside, outside, different car windows, etc.) and at the beach (sun,
> shade, underwater, behind sunglasses, etc.). During the actual program
> we have different SPF sunscreens spread on clear CD cases. Visitors  
> use
> the beads or a UV Meter can be used to determine effectiveness.
>
> I just did this program on a very cloudy day and it was very dramatic
> since color changes still happened (qualitative) and the visitors were
> surprised.  The beads were slower to change, but this allowed for more
> experimentation and finer distinctions.  A UV Meter gives quantitative
> readings.
>
> Here are links for Educational Innovations. They also have resources
> online.
> The Weather Channel also developed Sun Safety educational resources
> several years ago.
> See link below.
>
> http://www.teachersource.com/LightAndColor/Ultraviolet/ 
> UltravioletDetect
> ingBeads.aspx
> http://www.teachersource.com/LightAndColor/Ultraviolet/ 
> UVOutsideDetector
> .aspx
> http://www.teachersource.com/LightAndColor/Ultraviolet/ 
> UVAtmosphericLigh
> tMeter.aspx
>
> http://www.weather.com/learn/raysawareness/
> There also is a recent study you might find of interest: Kids Given
> Photos of Sunburn Damage Covered Up Better
> http://www.nlm.nih.gov/medlineplus/news/fullstory_83290.html
>
> Denise
>
> Denise LeBlanc
> Director of Science Education & Community Partnerships
> The Discovery Museums
> 177 Main Street
> Acton, MA  01720
> www.discoverymuseums.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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