This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Science fair project that illustrates the properties of black holes in space.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This science fair project idea explores whether certain physical and mental traits run in the family.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Evaluate gender differences in processing visual information.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

This science fair experiment examines the relationship between gender, age, and smiling.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project demonstrates the "power of conformity".

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project explores whether music affects the growth and health of plants.

Science fair project that determines whether brain size is correlated with intelligence.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

Learn whether writing things down really makes things easier to remember.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.