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What are the different methods of purifying water?
In this experiment, we examine different methods of purifying water including distillation, filtration and reverse osmosis

Difficulty: High school

What are the effects of Polyacrylamide and. Polyacrylate on soil erosion?
The purpose of this experiment was to determine the effects polyacrylamide or polyacrylate could halt erosion. I believe that polyacrylate will halt erosion the best because there is evidence that polyacrylate has halted erosion.

Difficulty: Middle school

Which brand of cooking spray works best?
wanted to find out how much food would stick to cookware using different brands of cooking spray. My hypothesis stated that name brand cooking spray would work the best, supermarket brands would be a close comparison, and that any amount of spray would work better than none at all.

Difficulty: Middle school

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