In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This experiment will evaluate if chewing gum affects students' test performance.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.