Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science project allows students to study the psychology of happiness.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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

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.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project teaches students about wilting and browning of salad greens.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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