This science fair project idea explores how length affects the weight a bridge can hold.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Get your child excited about measuring with this fun and easy household measurements activity.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.