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.

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 a car that can be powered by a balloon!

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

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