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Explain how the tilt of the earth worksFeatured science project
Demonstrate that seasons exist because of the tilt of the earth and its impact on the intensity of the sunlight at a given location.
CategoryPhysics > Astronomy
Difficulty: Elementary school
What are anti-bubbles?Featured science project
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!
CategoryPhysics > Forces and Motion
Difficulty: Middle school
How to create an electrostatic charge using a handheld electrophorusFeatured science project
A hand-held electrophorus can produce significant amounts of charge conveniently and repeatedly. It is operated by first frictionally charging a flat insulating plate called a "cake". In Volta's day, the cake was made of shellac/resin mixtures or a carnauba wax film deposited on glass. Nowadays, excellent substitutes are available. TeflonTM, though a bit expensive, is a good choice because it is a
CategoryPhysics > Electricity
Difficulty: Elementary school
How to build an extremely sensitive electroscope for detecting static electricityFeatured science project
This simple circuit can detect the invisible fields of voltage which surround all electrified objects. It acts as an electronic "electroscope."
CategoryPhysics > Electricity
Difficulty: Middle school
How does a change in temperature affect the current, voltage and power generated by a solar cell?Featured science project
The purpose of this experiment was to determine how different temperatures affected the voltage (mV), the current (mA), and the power (watt) generation of a solar cell.
CategoryPhysics > Electricity
Difficulty: Elementary school
How to make a crystal radio detectorFeatured science project
If you appreciate ingenuity, simplicity, and like instant gratification from your radio projects, then you ought to spend a few minutes building your own foxhole radio. Foxhole radios were built by GIs in World War II from materials they had easy access to in the field. They usually consist of just a coil and a detector. They use a point detector, the chief component being an ordinary razo
CategoryPhysics > Electricity
Difficulty: Elementary school
What materials block radio waves most effectively?Featured science project
The purpose of this experiment was to find out which materials block radio waves and thus cause the most interference for remote control devices. The information gained from this experiment will help if someone is using remote control robotics or devices. It may be useful for scientific reasons, remote exploration as well as recreation. This experiment will benefit all those by determining which m
CategoryPhysics > Electricity
Difficulty: Elementary school
How to build a simple electric generatorFeatured science project
This is an AC electric generator which is capable of lighting up a tiny incandescent light bulb. The generator is made up of a hollow-ended cardboard box with a nail through the center, many turns of copper wire wound around the box, and four larger magnets clamped around the nail. When the nail and magnets are spun fast by hand, the little light bulb lights up dimly.
CategoryPhysics > Electricity
Difficulty: Middle school
How to build a wireless telegraph setFeatured science project
The simplest wireless telegraph set consists of a means of generating and controlling a spark which sends out radio waves into the air, and a receiver or detector to detect the radio waves. Probably the simplest way to generate and control a spark is to use a switch (called a telegraph key) to turn on and off a buzzer which generates sparks. The simplest way to receive or detect the radio waves ge
CategoryPhysics > Electricity
Difficulty: High school
How does the shape and mass of an object affect its velocity when sinking through water?Featured science project
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.
CategoryPhysics > Forces and Motion
Difficulty: Elementary school
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