What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

This science fair project idea investigates food preference of birds.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

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.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

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 experiment examines the relationship between gender, age, and smiling.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.