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Re: [Phys-L] solar constant




The seasons poster has a number of activities that are possible

http://www.sci-ed-ga.org/modules/materialscience/color/images/SeasonsPoster.jp<http://www.sci-ed-ga.org/modules/materialscience/color/images/SeasonsPoster.jpg>g

The Apricus site is
http://www.apricus.com/html/solar_collector_insolation.htm

Also
http://www.sci-ed-ga.org/modules/Activities-GA-seasons.pdf

And
http://lhsgems.org/GEMSSeasons.html

http://www.learner.org/teacherslab/pup/

http://www.sci-ed-ga.org/pdfs/1-17-08%2520TeacherTECH%2520program.ppt


On May 21, 2014, at 11:12 PM, "Woolf, Lawrence" <Lawrence.Woolf@ga-asi.com<mailto:Lawrence.Woolf@ga-asi.com>> wrote:

Go to the Apricus web site
Then solar basics
Then solar insolation levels

Sent from my iPhone

On May 21, 2014, at 10:26 AM, "Anthony Lapinski" <Anthony_Lapinski@pds.org<mailto:Anthony_Lapinski@pds.org>> wrote:

Thanks! Can you send me that article, or is there a web link?

Phys-L@Phys-L.org<mailto:Phys-L@Phys-L.org> writes:

On May 21, 2014, at 5:04 PM, Anthony Lapinski
<Anthony_Lapinski@pds.org<mailto:Anthony_Lapinski@pds.org><mailto:Anthony_Lapinski@pds.org>> wrote:

The solar constant is around 1370 W/m2. I believe this is the average
value over the entire Earth in one year. I have two questions.

1. How can I find the approximate value on a given day at a given location
(latitude)? Is there some formula or way to estimate? I realize this might
not be easy.

which leads to:

2. Is there a "simple" experiment kids can do to measure the solar
constant (solar cell, heating water, etc.)?

This has some good concepts for energy, heat, and optics in both physics
and astronomy.

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Forum for Physics Educators
Phys-l@phys-l.org<mailto:Phys-l@phys-l.org><mailto:Phys-l@phys-l.org>
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Long ago we developed a simple experiment to measure the solar constant:

“Solar Energy- How much do we receive?”
U.Ganiel and O. Kedem
The Physics Teacher- vol. 21, p. 573, 1983.


Uri Ganiel
Professor Emeritus
Department of Science Teaching
The Weizmann Institute of Science
Rehovot 76100, Israel

Tel: 972-8-9343895
Mobile: 972-54-7517725
FAX: 972-8-9473677
Email: uri.ganiel@weizmann.ac.i<mailto:uri.ganiel@weizmann.ac.i><mailto:uri.ganiel@weizmann.ac.i>




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Forum for Physics Educators
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http://www.phys-l.org/mailman/listinfo/phys-l
_______________________________________________
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