This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

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 fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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 hands-on design challenge your child will make their very own Rube Goldberg Machine.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

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

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Science fair project that tests whether cats have a preference for organic food.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

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.