Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science fair project idea demonstrates how our fingers prune when in water.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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 science project has students study the idea of human beauty.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This experiment explores whether caffeine improves athletic performance.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Discover whether people can distinguish what a person looks like just by listening to their voice.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

This science fair project idea compares the cuteness reaction between genders.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

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

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This science project allows students to study the psychology of happiness.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

This science fair project idea investigates the difference in reaction times between boys and girls.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.