Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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 idea project identifies the active ingredients in soap and experiments with the properties of soap.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.