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Subject:
Re: why is sand hot?
From:
Charles Carlson <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Tue, 16 Sep 2008 08:44:23 -0700
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************

It's also one of the reasons that synthetic turf is hotter than grass.
C
On Sep 16, 2008, at 8:28 AM, Daniels, Alissa 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 were talking about our new green roof recently, and made the  
> comment that the green roof is cooler than a traditional tar roof;  
> any kid who has ever walked on the grass and then on the driveway  
> can relate to that. The black roof absorbs a lot of heat.
>
> But then someone said "well, how about the sand on the beach? it's  
> white AND hot." And we batted around a few ideas ranging from "well,  
> it's still cooler than the black roof,  and "well, the grass and the  
> soil hold water, so that keeps it cool" and "it must have to do with  
> the shape of the grains of sand..."
>
> Anyone else have any thoughts on this? Something to think about if  
> your September is as quiet as our September.
>
> AD
>
> ~~~~~~~~~~~~~~~
> Alissa Daniels, Science Program Manager/Senior Educator
> Boston Children's Museum
> 617 426 6500 .342
> "The most exciting phrase to hear in science, the one that heralds  
> new discoveries, is not "Eureka!" (I found it!) but "That's  
> funny..."  " --Isaac Asimov
> ~~~~~~~~~~~~~~~
>
> ***********************************************************************
> 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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Charles Carlson
Director of Life Sciences
exploratorium
3601 Lyon St.
San Francisco, CA 94123
[log in to unmask]
Tel:   415-561-0319
Fax:  415-561-0370






***********************************************************************
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.

The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To learn more, visit
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