This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

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.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

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.