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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

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

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

This science fair project idea explores substances that cause a bubble to last longer.

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

This science fair project idea investigates if fats add to the flavor of food.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates the difference in reaction times between boys and girls.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.