*** Quoting Tim Hutzler from a message to Justin Keys ***
-=>Quoting Justin Keys to All <=-
JK>Hey, can any body help me with a solar energy project that
JK>is easy. I have to do this for a school science project
JK>and is due next week.
Tim had a good suggestion, but perhaps a little involved for a project with
your time constraints.
Perhaps you could do something along the lines of:
PURPOSE:
To determine what affect, if any, the color of an object has on the
absorption of heat.
METHOD:
Attaching 4"x4" squares of heavy plastic painted with various colors of paint
to a piece of plywood, leaving a sufficient space at the top to allow
insertion of a thermometer. Set the apparatus outside in direct sunlight,
and take hourly readings from under each sample.
----
You will want to leave one piece clear to act as a control. I would make a
chart that you can fill in with your hourly readings. Also, I would make a
careful note of the ambient conditions....weather, temp, humidity, etc.
If all fails, and you don't get a sufficient range of temps to draw a valid
conclusion, you will at least be able to work up a decent error analysis.
Even the greatest scientists had experiments that failed.
I hope this helps. Next year, don't put off the project until the last
minute...solar power experiments don't do well if you get a freak snowstorm
or such on the one day you have to perform your experiment.
(I went through school putting things off until the last minute...bit me more
than once, I can assure you.)
Kevin
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