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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.

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

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Can cells be frozen? This science fair project provides information to answer this question.

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.

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

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

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

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 project examines the concentration of dissolved oxygen in water, with and without oil.

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.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

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

The project researches how lubricants affect the mechanical advantage of a pulley.

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