This science fair project idea explores how length affects the weight a bridge can hold.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Find out whether people within a family tend to have matching fingerprints.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Determine which video game elevates the heart rate best and burns the most calories.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

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 project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

In this project students experiment with making music using only glasses of water.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Learn about the factors that influence group conformity.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!