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.

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

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.

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.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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!

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!