I have an idea for my science fair project, I just need a question to test?
I want to make solar powered Christmas lights for my experiment. I will make little lights like this
http://www.evilmadscientist.com/article.php/lantern
string them up and paint the jars red and green so the light shines through teh paint. One problem, i need a question to test. Thank you
Can the sun light up a Christmas tree?
Or how do solar powered lights work?
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