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

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.

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

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