How Do Vehicles Affect the pH Properties of Snow?

Science Fair Project Information
Subject: Environmental Sciences
Grade level: Elementary School - Grades 4-6
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Awards: 2nd place, Canada Wide Virtual Science Fair (2007)
Affiliation: Canada Wide Virtual Science Fair
Description: This project tests the hypothesis that the closer the samples are taken from the road, the lower the pH will be, meaning the samples will be more acidic than basic and vise versa.
Link: http://www.virtualsciencefair.org/2007/tarr7k2/