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General Engineering Science Fair Project

Seeing Through the Fog: Estimating Distance with Fog Lights

Seeing Through the Fog: Estimating Distance with Fog Lights | Science Fair Projects | STEM Projects
Have you ever been driving in foggy conditions and had trouble seeing the car in front of you? This experiment will test whether fog lights can help drivers better estimate the distance between two cars.


The hypothesis is that the use of two rear fog lights will improve the driver's ability to estimate distance.

Method & Materials

You will need 10 drivers with at least 3 years of driving experience, two cars (one with one fog light, one with two fog lights, and one without any fog lights), two fog machines, and a long measuring tape. The drivers will take turns driving the car with the fog lights and the distance between the cars will be measured.
You will need 10 licensed drivers with at least 3 years of driving experience, 1 car fitted with 1 rear fog light, 1 car fitted with 2 rear fog lights, 1 car without any rear fog lights, 1 car to be driven by the participants, 2 fog machines, a long measuring tape (at least 15 meters in length), and an assistant.


The results of the experiment showed that using 1 rear fog light and no rear fog lights caused the stationary vehicle to appear further away than it actually is. This proves that the hypothesis that the use of two fog lights will improve the estimation of distance by drivers is true.

Why do this project?

This science project is interesting because it tests a common problem that drivers face in foggy conditions. It also provides a practical solution to the problem of estimating distance in foggy conditions.

Also Consider

Variations of this experiment can include adjusting the height of the fog lights, using red or yellow fog lights, or repeating the experiment at night.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

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