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Topics > Physics > Forces and Motion

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Antigravity lifter!

This experiment was done to create a lifter based on the Biefeld-Brown effect.

Difficulty: High school

Surface tension of water

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: 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

How do magnetic fields affect the rate of flow of water?

This science fair project investigates how the magnetic field emanating from a permanent magnet will affect the rate of flow of water through a narrow passage. The experiment will be done using salt solution and tap water, with a magnetic field as well as without a magnetic field.

Difficulty: High school

How does the bounciness of a golf ball affect the distance that it will travel?

This science fair project was performed to find out if relatively bouncier golf balls are able to travel further than less bouncy ones. The tests were done using 3 brands of golf balls.

Difficulty: Middle 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

How the Bernoulli's principle works for different shapes

This experiment was performed to investigate how effective Bernoulli's principle is in lifting objects of different shapes.

Difficulty: High school

The relationship between the shape of a parachute and its drop velocity

This 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

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

How to measure gravitational forced between masses

This page presents a "basement science" experiment which reveals the universality of gravitation by demonstrating the gravitational attraction between palpable objects on the human scale. The experiment deliberately uses only the crudest and most commonplace materials, permitting anybody who's so inclined to perform it. Einstein's 1915 theory of General Relativity explains gravitation as spacetime

Difficulty: High school

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