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

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.

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

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

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

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

This experiment investigates the relationship between the temperature of a candle and its burn rate.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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

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

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