This science fair project investigates what type of cookie sheet bakes the best cookies.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

This science fair project idea determines which flower lasts the longest.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Find out if most people can distinguish the difference between tones on different instruments.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Will male or female hair grow faster? Find out in this science fair project idea!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea investigates how the shape of an object affects drag.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Free science fair project idea examining how different types of water affect plant germination and growth.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.