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

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

In this project, a mnemonic is used to test how it increases memory.

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

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This project examines what types of objects burn and which burn faster and cleaner.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

This science fair project idea investigates the difference in reaction times between boys and girls.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.