# All Science Fair Projects

## Over 1000 FREE Science Fair Project Ideas!

 Topics  > Physics  > Forces and Motion
 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 use Galileo's inclined plane experiment to demonstrate accelerationUsing 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
 Javelin take-off angle and throw distance This science fair project was carried out to determine how the take-off angle of a javelin will affect the distance traveled. Testing was done by by having an athlete throw a javelin at various angles. The distance achieved in each throw was then determined.
Difficulty: High school
 Soap and surface tensionEver see water striders (A type of insect) travel across the surface of pond water? Have you ever seen what happens when you add oil to water? Both examples demonstrate the concept of surface tension, a condition where the molecules of a substance are so closely attracted to each other that they form a barrier. The clinging water molecules form a barrier strong enough to support both the water ska
Difficulty
 Surface tension of waterThis 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: Middle school
 The relationship between the shape of a parachute and its drop velocityThis science fair project was performed to investigate the relationship between the shape of a parachute and its drop velocity. Triangular, square, rectangular and round parachutes were used.
Difficulty: High 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
 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
 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
 What is the mechanical advantage of using a ramp to raise objects?Students will construct a ramp using LEGO elements. Students will collect data to compare the mechanical advantage to effort. Students will make generalizations that they can apply to determine the mechanical advantages. One of many really cool sceince fair projects to try!
Difficulty: Elementary school
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