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Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This science fair project idea explores whether certain physical and mental traits run in the family.

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

This science fair project idea explores how far the average human can see.

Demonstrate how to tell the age of an egg without having to crack it open.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

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

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

This science fair project idea explores whether dogs do look like their owners.