Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.