All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

What is the most efficient angle for windmill blades?Featured science project
My first hypothesis is that the closer the blade is to 45 degrees the more electricity the windmill will produce.
Difficulty: Elementary school
Ability of water surface tension to hold weight Featured science project
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 15C, 25C, 35C, 45C and 55C.
Difficulty: Elementary school
What are anti-bubbles?
An Antibubble is similar to a bubble, but the roles of the water and the air are reversed. This experiment shows you the characteristics of an anti-bubble!
Difficulty: Middle school
How does the shape and mass of an object affect its velocity when sinking through water?
The purpose of this experiment was to determine how much the hydrodynamic shape and mass of an object would affect its velocity when sinking through water.
Difficulty: Elementary school
What is the best way to configure shock absorbers?
The purpose of this experiment was to determine the effect of damping in a shock absorber when the piston has different numbers and different size of holes, but keeping the total area of the holes constant.
Difficulty: High 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
How to suspend a ball in a stream of air (The Bernoulli principle)
A ball stably levitated on an invisible stream of air is a dramatic sight. When you try to pull the ball out of the airstream, you can feel a force pulling it back in. You can alsofeel that the airstream is being deflected by the ball. This Snack shows one of the forces that give airplanes lift.
Difficulty: Elementary school
How to explain Newton's third law of motion using a balloon-powered rocket car
In this activity, students construct a balloon-powered rocket car that rolls across the floor because air is forced to escape through a plastic
Difficulty: Elementary school
What is the effect of arrow mass on its penetrating distance.
The purpose of this experiment was to determine the effect of arrow mass on its penetrating distance.
Difficulty: Elementary school
How to use Galileo's inclined plane experiment to demonstrate acceleration
Using equipment that we might now call simple or even rudimentary, Galileo revolutionized basic scientific principles which were posited by Aristotle and held firmly by scholars of the High Middle Ages and Renaissance. One of his most important experiments was the inclined plane experiment. Galileo used his inclined plane, a simple board with a groove down which he rolled a small metal ball, to ex
Difficulty: High school
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