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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

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

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

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.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Do you think heat can affect a plant's growth rate?

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

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea tests the efficiency of short term memory.

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

Explore the relationship between personality traits and birth order effects.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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