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What are the most effective cleaning agents for our teeth?
The hypothesis is baking soda, salt, hydrogen peroxide, and water will be the best stain remover (and the least expensive) because they are all good cleaning substances.

Difficulty: Elementary school

What is the Change in Blood Pressure Due to Exercise for Two Age Groups?
The purpose of this experiment was to compare the effect of exercise vs. rest on the blood pressure of different age groups. The information gained from this experiment would be useful to society because that way people would have a better understanding of how age/exercise affects blood pressure. Since blood pressure is a common indicator of cardiovascular health, then by conducting this experi

Difficulty: Middle school

Which Pain Reliever Has a Faster Dissolution Time: Brand or Generic?
The purpose of this experiment was to determine the dissolution times of three different pain relievers, comparing brand names to generic names. The information gained from this experiment would benefit society; by informing them which pain reliever is more easily dissolved.

Difficulty: High school

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Kits for your science fair projects Science fair book Science kit search tool

Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.