This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

This experiment will explore if and where fractals can be found in the natural world.

Discover which method for odor removal words the best for stifling refrigerator odors.

Determine which video game elevates the heart rate best and burns the most calories.

In this science fair project, young children notice and track changes in trees throughout the year.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

This science project allows students to study the psychology of happiness.

This science fair project idea designs safe bicycle routes using GPS.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science project challenges high school students to study the linguistic evolution of text messaging.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.