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This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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.

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

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

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.

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

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

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.

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

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

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

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?

This science fair project idea investigates food preference of birds.

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.

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!

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

Find out whether matte or shiny nail polish lasts longer.