All Science Fair Projects
Over 500 FREE Science Fair Project Ideas!
 | How to make your own sundial  Sundials are the oldest way to tell time. The position of the sun changes during the day. The sun doesn't move; the Earth rotates around the sun, making it seem like the sun rises in the east and sets in the west. As the sun goes across the sky, the post in the center of the sundial casts a shadow on a circular plate. Marks on the plate tell you what time it is. It's just like reading a clock! | ||
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| Explain how the tilt of the earth works Demonstrate that seasons exist because of the tilt of the earth and its impact on the intensity of the sunlight at a given location. | ||
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| How to build a sidereal pointer to help us to locate the position of a celestial body In this article, we talk about the construction of a sidereal pointer. It is an instrument that allows you to localize each celestial object in the night sky, just knowing its coordinates. | ||
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| What makes stars twinkle? Have you ever wondered what makes a star twinkle? On the next clear night look at a bright star. How many blinks does it make in 10 seconds? Look at the moon, an airplane or a bright planet at night. Do these objects twinkle?
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| 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 | ||
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| 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. | ||
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| How to make a steam powered rocket boat A rocket works the same way. Hot gases and fire come out of the motor of a rocket. The gases coming out the nozzle at the bottom of the rocket come out in one direction. These escaping gases push the rocket in the opposite direction. | ||
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| How to make a crystal radio detector 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 | ||
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| What materials block radio waves most effectively? 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 | ||
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| Does the number of turns of wire in an electromagnet affect its strength? 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. | ||
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