This science fair project idea examines whether boys and girls differ in reflexes.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

This science fair project idea investigates whether plants can survive being frozen.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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.

Cleaning can be a chore, but not with this sudsy experiment!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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