http://www.youtube.com/watch?v=2oo_EGODkrs
Mythbusters - Watch the above video and answer the question that is posed.
http://science.discovery.com/video-topics/gadgets-and-tech/ecopolis-harvesting-sunlight.htm
What do you think of Earl's idea?
http://www.schooltube.com/video/617c60f7739a4a8c53b3/
What is energy?
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