This science fair project idea explores whether talking to a plant will help it grow.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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