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Find out whether people within a family tend to have matching fingerprints.

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

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Determine how we can separate the components of a solution

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Find out whether matte or shiny nail polish lasts longer.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea investigates how color affects temperature.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Learn about the growing app design field by designing a new or improved app for smartphones.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.