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!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

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.