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This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Science fair project that illustrates the properties of black holes in space.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

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

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

People have favorite flavors, but what about ants? Which ant food is the most popular?

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The goal of this project is to create an exciting topographical map out of dough.

This science fair project idea investigates food preference of birds.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This experiment will explore whether adding different substances to a gel affects its strength.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.