Determine how good we are at direct and indirect observation.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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 idea tests the efficacy of both synthetic and natural antibiotics.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Explore the neural and mental mechanisms at play in mental imagery.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.