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For those who dream of giant solar collectors which can generate temperatures high enough to melt steel, below is a method for building your own Solar Furnace of any size you desire.
Difficulty: High school
I think that if the solar cell is placed perpendicular to the sun's rays, the power going to the cell will be maximized.
Difficulty: Middle school
This project was adapted from Science Projects in Renewable Energy & Energy Efficiency written by the National Renewable Energy Laboratory, published and copyright 1991 by the American Solar Energy Society, and distributed by the National Energy Foundation.
Difficulty: Middle school
Physicists have predicted that at the Big Bang, black holes with sizes from 10^-5 grams up to perhaps solar mass size might have been formed. Use the above formulae to predict the mass range of the black holes would have lasted as long as the present age of the universe, between 9 billion to 15 billion years, and which should just now be evaporating completely away. Predict what the final few
Difficulty: High school
The purpose of this experiment is to determine which method of water purification, filtration, distillation, or solar pasteurization, is most efficient by treating tap and river water for pH, chlorine, total hardness, nitrate, phosphate, ammonia nitrogen, copper, and iron. These processes will also be tested to determine their effectiveness of removing E. coli B that has been previously
Difficulty: Middle school
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