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Over 500 FREE Science Fair Project Ideas!

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Are ants picky over their food? Do they have any preference?Featured science project
The purpose of this experiment was to determine which flavor ants are most attracted to.
CategoryBiology > Zoology
Difficulty: Elementary school
How to make your own comet
In ancient times, people did not understand the objects in the sky, how they moved or what they were. They did not know what a comet was, where it came from, or where it went. A large comet is a spectacular sight and inspired both awe and fear in primitive peoples.
CategoryPhysics > Astronomy
Difficulty: Elementary school
Is it possible to collect micrometeorites from the outdoors?
Collect micrometeorites from indoor and outdoor sources.
CategoryPhysics > Astronomy
Difficulty: Elementary 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.
CategoryPhysics > Electricity
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
CategoryPhysics > Electricity
Difficulty: Elementary school
How does a bar magnet's field interact with the earth's magnetic field?
The magnetic field around a permanent magnet, like the gravitational field around a massive object, is not only invisible, but hard for students to comprehend. With no concrete experience to draw from, they tend to ignore this basic concept, or at best, memorize facts about it. This activity shows how to map a magnetic field, and to find how a bar magnet's field combines with the Earth's magnetic
CategoryPhysics > Electricity
Difficulty: Elementary school
How to build a magnetic linear acceleratorFeatured science project
This very simple toy uses a magnetic chain reaction to launch a steel marble at a target at high speed. The toy is very simple to build, going together in minutes, and is very simple to understand and explain, and yet fascinating to watch and to use.
CategoryPhysics > Electricity
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.
CategoryPhysics > Electricity
Difficulty: Elementary school
Do different types of sunblock have different protection strengths?
I wanted to know if SPF matters when you buy sun block. For example, does a CVS brand 30 sunblock work better than a CVS brand 15 sunblock? I also wanted to know if higher priced sunblock works better than lower priced sunblock of the same SPF? My hypothesis was that the higher the SPF the better it would protect and that higher priced sun block would work better than lower priced.
CategoryBiology > Human anatomy
Difficulty: Elementary school
How does temperature affect the rate of growth of algae?Featured science project
The purpose of this experiment was to determine the effect of a certain species of algae when they are growing at different temperatures.
CategoryBiology > Botany
Difficulty: Elementary school
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