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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.