All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Comparing the effectiveness of ionizing and photoelectric smoke detectors
This science fair project was conducted to compare the performance of an ionizing smoke detector with a photoelectric smoke detector. The tests were done by placing a lighted cigarette at 200mm, 400mm, 600mm, 800mm and 1000mm from the smoke detectors, and comparing the speed of each detector in detecting the smoke emitted.
Difficulty: Middle school
Effect of extreme temperature on battery life
How do batteries in exploratory equipment fair in extreme temperature conditions in outer space, or at the North Pole? This science fair project was conducted to study how extreme temperatures affect the performance of batteries. The experiment was done using Duracell, Energizer and Eveready AA-size batteries.
Difficulty: Middle school
Frequency response from speakers of different sizes
This science fair project was performed to investigate how the frequency response of a speaker changes when as the size of the enclosure changes.
Difficulty: High school
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