Forces and Motion science fair projects

36 projects found
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...
Featured science project Intermediate 5
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...
Featured science project Advanced 7
What is the most efficient angle for windmill blades?
My first hypothesis is that the closer the blade is to 45 degrees the more electricity the windmill will...
Featured science project Beginner 1
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...
Intermediate 4
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. ...
Beginner 1
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...
Advanced 7
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...
Beginner 1
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....
Beginner 1
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...
Beginner 1
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....
Beginner 1
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