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In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea determines the probability of a coin landing heads or tails.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This project examines the concentration of dissolved oxygen in water, with and without oil.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Evaluate the efficacy of different pain management techniques.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This project will examine the relationship between materials and air resistance.

Science fair project that designs a video game that requires players to use relevant skills.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This project concerns activity happening millions of miles away, on the sun.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.