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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.