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 how temperature affects the volume of gas in balloons.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Science fair project that illustrates the properties of black holes in space.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

In this project students experiment with making music using only glasses of water.

This project will examine the relationship between materials and air resistance.

This science fair project idea explores which kinds of earplugs are the most effective.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This project determines how much the rebound rates of tennis balls change after ten games.

This science fair project idea teaches Gauss' law and its implications and calculates and comprehends the flow of electrical charges in a Faraday Cage.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This project examines whether more expensive golf balls translate into better results on the golf course.

This basketball project explores the best way to make the perfect shot every time.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.