Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This science fair project idea studies how talking on a cell phone affect driving?

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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 purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This project concerns activity happening millions of miles away, on the sun.