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

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

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

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.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

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

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

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