This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This project examines whether and what associations exist between numbers and letters and colors.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.