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.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

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

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

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