The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair project idea studies the differences in gender perception between people.

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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This project examines which type of dance burns the most calories.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Explore the neural and mental mechanisms at play in mental imagery.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This project determines how much the rebound rates of tennis balls change after ten games.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Examine whether males or females are more likely to have a higher center of gravity.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

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

In this project, a basketball containing different psi is dropped to see how well it bounces.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.