Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea studies the differences in gender perception between people.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

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

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

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

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.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

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

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 determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

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

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science project researches the correlation between barometric pressure and wind velocity.

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

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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