This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea investigates food preference of birds.

In this project students experiment with making music using only glasses of water.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Learn about the factors that influence group conformity.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this project, different childproof containers are tested to see how childproof they really are.

Find out whether matte or shiny nail polish lasts longer.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.