All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Ability of water surface tension to hold weight
This science fair project was conducted to observe how adding salt to water and increasing its temperature can affect the surface tension of water. The experiment was done by adding grains of rice to a piece of aluminum foil floating on water of varying temperatures, i.e. of 15°C, 25°C, 35°C, 45°C and 55°C.
Difficulty: Elementary school
Antigravity lifter!
This experiment was done to create a lifter based on the Biefeld-Brown effect.
Difficulty: High school
Can air pressure alone cause an egg to be pushed into a bottle?
Students will determine how and why an egg is able to go into a bottle due to changes in air pressure.
Difficulty: Middle school
Can quarters and feathers fall at the same speed?
In a famous demonstration, Galileo supposedly dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall at the same acceleration. Actually, this rule is true only if there is no air resistance. This demonstration lets you repeat Galileo's experiment in a vacuum.
Difficulty: Elementary school
Compare how different types of balls bounce and determine what are the factors that contribute to this difference
To begin your own investigation of the bounciness of balls, you'll need several different kinds of balls to compare. I'd suggest a golf ball, a tennis ball, a baseball, and a basketball for starters. Hold a ball at a measured height above a solid surface-- one meter is a good height. Now drop the ball and notice how high it bounces.
Difficulty: Middle school
DC motor energy loss
This experiment was conducted to find the amount of energy lost due to friction in DC motors. The testing was done using 30 watt, 50 watt, 70 watt and 100 watt DC motors.
Difficulty: High school
Demonstrate the use of a lever and the impact of lever length
Demonstrate the use of a lever and the impact of lever length.
Difficulty: Elementary school
Determine which type of laminated beam is the strongest
The purpose of this project is to determine which laminated beam is the strongest.
Difficulty: Middle school
Effect of propeller size on thrust produced
This science fair project was done to determine how the size of a propeller will affect the amount of forward thrust produced by it. The experiment was done using 4 different propeller sizes.
Difficulty: High school
Experiments with buoyant forces
Here are some experiments for comparing the buoyancy and density of differents cans of soda
Difficulty: Elementary school
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