This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Discover which battery composition (type) lasts the longest.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project examines how seeds hitchhike on animals and clothing.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?