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One of the major "Reasons for the Seasons" is the change of the
height of the Sun at noon during the course of the year. Most people
think that the Sun is always directly overhead, at the zenith,
at noon. This isn't true. For most locations the Sun is never at
the zenith. As we follow the Sun during the school year, we will see
where the Sun is located in the sky from different latitudes.
The process is simple:
- Go out at local noon on roughly the 21st of each month. If you
don't know when local noon occurs for your location, go to the
NOAA Sunrise/Sunset Calculator page
to find the answer.
- Place a meter stick on the
ground, and aim it toward the Sun. CAUTION: AVOID LOOKING AT THE
SUN FOR ANY PROLONGED PERIOD OF TIME. A QUICK GLANCE IS ENOUGH TO DO
THIS ACTIVITY. Move the meter stick back and forth until the
stick shows no shadow on the ground.
- If possible, take a digital
image of the person holding the meter stick.
- Measure the angle that the
stick makes with the ground using a protractor or image processing
software such as NIH
Image for the MacIntosh, or
Scion
for the Pc.
-
Send us your image
along with your angle measurement, time of sunrise and sunset,
temperature at local noon, and any other "tidbits" of information
you would want added to your page.
If you wish to join, simply
e-mail me with the name of your school and its latitude, and I'll add you to
our list.
| Follow the Sun as it makes its yearly journey from autumnal
equinox to summer solstice as the schools listed below measure the angle
of the Sun. 2006 - 2007
PARTICIPATING SCHOOLS
Go to
2008 - 2009 Participating Schools
CLICK ON THE DOT TO VISIT THEIR
WEBSITES


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1Be
sure to click on the "3" to visit the Chief Zzeh Gittlit site to see the great
sundog video taken at local noon when the sun was only 3 degrees above the
southern horizon!
2Reading
was taken on November 9th.
3Reading
was taken on November 27th.
4Reading
taken at 12:40 p.m.
5Be
sure to visit the Chief Zzeh Gittlit site to read a description of what it's
like to teach in perpetual darkness!
6Reading
taken at 1:25 p.m.
7Reading
taken on 1/3/07
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