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This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Determine which metal has the highest rate of conductivity.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Explore whether pianists have the tendency to type faster than non-pianists.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.