This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

Discover whether a metal will expand under hot water.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project idea examines the reason boats are shaped and engineered.

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.

The goal of this project is to create an exciting topographical map out of dough.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project investigates why the number of visible stars changes from place to place.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Find out whether matte or shiny nail polish lasts longer.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project idea explores which fruit molds the fastest.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.