Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This project explores differences in people's reactions to images in color and images in black and white.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

This science fair project idea explores whether color affects a person's emotional state.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.