Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project idea experiments with spinning color wheels and optical illusions.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

This experiment examines if space objects become round after reaching a certain mass.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

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

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Checkerboard play challenges students to use spatial reasoning and computational thinking.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.