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.

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

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

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.

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

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