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

This science fair project idea investigates food preference of birds.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This easy at-home experiment is a great way to "see" science.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

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

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

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

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

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

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project idea raises awareness of a real ecological issue.