Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea explores edible things you didn't know you could eat.

This science fair project investigates why the number of visible stars changes from place to place.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Free science fair project idea examining how different types of water affect plant germination and growth.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Find out whether matte or shiny nail polish lasts longer.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

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

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

The project investigates how friction affects motion by using different surface textures.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.