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This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Use the activity below to help your child create bath salts as she observes how a solid changes when placed into a liquid.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project idea investigates food preference of birds.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Learn how different types of soil affect how animal tracks form in this experiment!

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Welcome the holiday season by making your own paper lantern. Learn about traditional light festivals from the United States with this fun, easy activity.

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

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Show your patriotism on the next great American holiday by making a shooting star spangled banner that's reminiscent of the American flag.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Children read a famous letter from the American Civil War, then write a response, in this thoughtful history activity.

This classic children's game demonstrates how sound travels through air vs. through a solid.

When it comes to working kids' muscles, nothing beats an obstacle course! Here are some easy ideas for creating your own course at home.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

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.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Evaluate gender differences in processing visual information.