All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Hydropower versus wind powerFeatured science projectScience project video
This science fair project was performed to compare the efficiency of hydro-electric generated power and wind generated power.
Difficulty: High school
Does the number of turns of wire in an electromagnet affect its strength?Featured science project
The purpose of this experiment was to find out if the number of wire wraps will effect the amount of iron filings an electromagnet picks up.
Difficulty: Elementary school
How to build a levitating train using magnetsFeatured science project
This is a great demonstration of like poles repelling each other. We have a platform which floats above a pair of magnetic tracks, and can be gently pushed to one end or the other. This is similar in concept to the MAGLEV trains which are being worked on in Germany, Japan and France
Difficulty: Elementary school
How to build your own electric motorFeatured science project
This home page features award-winning, easy-to-build, and inexpensive electric motors. If you are looking for a simple science project, or if you wish to learn about electricity, magnetism, and electric motors, this web site has it all! Including assembly instructions, a section devoted to how these motors work, and I even provide all parts necessary to build them! The reed switch motor is the e
Difficulty: High school
How to build a wind turbine generatorFeatured science project
These plans are for the construction of a machine called a Savonius wind turbine. Wind turbines come in two general types, those whose main turning shaft is horizontal and points into the wind, and those with a vertical shaft that points up. The Savonius is an example of the vertical axis type. It consists of two simple scoops that catch the wind and cause the shaft to turn.
Difficulty: High school
How to make your own telegraph machine.Featured science project
You can make your own telegraph for sending secret messages to a friend. This project may require a trip to the store, some patience, and maybe a bit of help, but it's well worth it. After connecting all your wires and buzzers, you'll be able to “talk by lightning” (as telegraphy was once called).
Difficulty: Elementary school
How to build a lightning storm detector (Franklin's Bells)Featured science project
The toy is a high voltage motor that acts like a bell, with a clapper that bangs furiously from one can to the other and back again, sometimes several times per second.
Difficulty: Elementary school
How to create an electrostatic charge using a handheld electrophorus
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
Difficulty: Elementary school
How to build an extremely sensitive electroscope for detecting static electricity
This simple circuit can detect the invisible fields of voltage which surround all electrified objects. It acts as an electronic "electroscope."
Difficulty: Middle school
How does a change in temperature affect the current, voltage and power generated by a solar cell?
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.
Difficulty: Elementary school
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