All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

How the color of a building affects indoor temperature
This experiment was conducted to ascertain how the color of the walls of a building affects its indoor temperature.
Difficulty: Elementary school
How to build a flashlight using Light Emitting Diodes (LEDs)
This cool astronomer's LED flashlight is really two flashlights in one. There are two power switches, each controlling an LED. An LED is a light emitting diode, which is an electronic device that requires very little current to run, so the batteries last a very long time. Also, LED's do not burn out.
Difficulty: High school
How to build a simple electricity generator
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.
Difficulty: High school
How to build your own hovercraft
So you want your very own hovercraft. Well once again, Reeko is here to help. Of course it's only big enough to hold a mouse (maybe two if the first one scrunches down real low) but hey, we're not old enough for a driver's license anyway...
Difficulty: Middle school
How to build your own inexpensive Xray machine - adult supervision required
From an old radio tube, some copper wire, and other inexpensive materials — total cost: roughly $20 — you can construct an X-ray machine that will make good pictures through an inch of wood. SAFETY MEASURES THAT YOU MUST OBSERVE. Notes on Röntgen's invention. Highlights of X-ray theory.
Difficulty: High school
How to determine the resonant frequency of glass
The "resonant" or "natural" frequency of the goblet can be determined by "pinging" it and listening to the pitch of the "ringing". By using a microphone and oscilloscope we can determine this resonant frequency quite accurately.
Difficulty: High school
How to make a solar cooker
It is pretty simple to make a collapsible solar box cooker from two cardboard boxes. The trick is to cut off the bottom of each box, creating two pieces...
Difficulty: Middle school
How to make your own anemometer
This simple experiment shows you how to make your own anemometer for measuring wind speed.
Difficulty: Elementary school
Material density and the transmission of sound
This science fair project was performed to ascertain how the density of a particular type of material affects the amount of sound transmitted through the material. The science fair project involved comparing the sound transmission characteristics of plywood, bakelite, glass and marble
Difficulty: High school
The correlation between the hardness of a tennis ball and the distance it travels
Softer balls will be bouncier and thus, be able to travel longer distances as compared to harder balls.
Difficulty: High school
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