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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
My topic was about burning candles. I wanted to find out what color candle would burn the fastest. My hypothesis stated that, if I burned five candles, one red, one white, one yellow, one purple, and one blue, then the white one would burn the fastest.
Difficulty: Elementary school
In this experiment, we examine different methods of purifying water including distillation, filtration and reverse osmosis
Difficulty: High school
The idea behind a reference toxicity test is that the test organism, in this case lettuce seeds, will respond in a predictable manner to varying concentrations of a particular chemical compound. At some threshold concentration, all of the test organisms will be killed (or in this case, none of the lettuce seeds will sprout). In solutions that are more dilute, some level of inhibition will occur in
Difficulty: High school
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
In this experiment I plan to prove that burning trash is a good alternative to landfills. Burning trash takes up less space and creates less pollution. The danger of the overfilling of landfills prompted my research. Burning trash creates less pollution and takes up less space.
Difficulty: Middle school
What is the pH of rain in your area? Students take pH measurements for rain in their neighborhood and compare it with other students' findings. This activity is best when conducted over several weeks during a rainy time of year.
Difficulty: Middle school
The purpose of this experiment is to examine how differences in surfaces affect the adhesion of several brands of tape. This experiment will show which brand of tape works the best, and on which type of surface they stick to the best. Based on information known, the tape will stick better to the dryer surfaces, and the less slippery.
Difficulty: Elementary school
If an electrical current is passed through water between electrodes (the positive and minus poles of a battery), the water is split into its two parts: oxygen and hydrogen. This process is called electrolysis and is used in industry in many ways, such as making metals like aluminum. If one of the electrodes is a metal, it will become covered or plated with any metal in the solution.
Difficulty: Middle school
This very interesting experiment will help you prove whether soil functions as an electrical system.
Difficulty: High school
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