free solar science project
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http://www.nasa.com\nsee this
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Heat energy from the sun travels through radiation, as opposed to convection and conduction.
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http://www.mapkids.org/solar-system-map.html#WIN\n\n&#92;
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the sun is covered by a cloud
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See in\nhttp://www.solarenergysociety.ca/\nhttp://www.cmhc-schl.gc.ca/en/inpr/su/neze/index.cfm
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Photo-electric is the process that solar cell use to priduce electricity.  Given that you wrote about 150 words just to explain a simple question, I do not believe 5 pages is totally outside of your range.\nThe following link will be a good start, but DON'T COPY IT VERBATIM.  Teachers have access to the internet as well; try to put it in your own words, and even more important, try to understand; that is what education is for: understanding.
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I am not very good with optics but when I did the Science fair in school I did this project which turned out very well. It teaches about how to harness solar energy. \n\nhttp://www.energyquest.ca.gov/projects/solardogs.html\n\nThat project can actually be modified to even cook hamburgers it is a regular grill if done correctly.
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Have a look at these links, I know they have instructions for making all kinds of models.\n\nScience Fair Projects\n\nSelecting the Subject\n\n•Hundreds of free science fair projects are categorized under the following topics. \n\nhttp://www.freesciencefairproject.com/\n\nhttp://www.scienceproject.com/\n\nhttp://www.ipl.org/div/projectguide/\n\nhttp://www.all-science-fair-projects.com/\n\nhttp://www.energyquest.ca.gov/projects/index.html\n\nhttp://collaboratory.nunet.net/timber/scifair/2proj.htm\n\nhttp://www.ipl.org/div/kidspace/projectguide/\n\nhttp://www.niles-hs.k12.il.us/jacnau/IJAS/\n\nhttp://www.plymouthschools.com/Science/scifair/scicover.htm\n\nGood luck.\n\nKevin, Liverpool, England.
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Well, if you can't even spell "solar" I doubt you would have the skills to mount and solder more than 2,000 4"x4" solar cells together, add blocking diodes, and wire the whole thing up in a weatherproof frame without breaking about half of the delicate little buggers.  If you need that much power, you're not going to save much of anything by trying to build your own.  Buy some ready made.
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I just helped my daughter with her science project. We made an electromagnet. Very easy to build and you can get buzzers, lights, and battery holders a your nearest hobby Lobby. you can also get toggle switches at the local hardware store. Mount it all on a nice piece of wood and your in business. by the way, my daughter took home first place!
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Why don't you check out this site - they have lots of ideas:  http://www.all-science-fair-projects.com/
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it might be from the sun
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My dad helped me do the solar system in a big cardboard box, with fishing line, styrofoam balls, paint and construction paper. Inexpensive and I got an A+++++!!! We hung the styrofoam planets from the top of the inside of the box after we painted them and decorated the inside of the box with a black background and it was cool! bradnmich@bellsouth.net
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www.solarnavigator.net/sponsorship/coca_cola.htm\n\ncheck this site for a great start to your project...
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Here is a good site to check out:\n\nhttp://www.all-science-fair-projects.com/\n\nOver 500 topics for all age levels
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http://www.all-science-fair-projects.com/\n\nOver 500 of them here. And a really cool colorful web site for someone in the 5th grade to enjoy.\n\nCheers
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http://www.sciencebuddies.org/mentoring/project_ideas/home_Phys.shtml?gclid=CNDljtrK6IgCFQ7eSgodNw4Ssg\n\nthere are MANY projects available getting more complex as you come to the bottom of the page.