Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

In this science fair project, students create their own miniature salt flats at home.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

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 investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

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

Find out whether people within a family tend to have matching fingerprints.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.