|P.O. Box 219 Batavia, IL 60510
All rainfall is acidic. However, when the acidity of rain falls below a pH of 5.6, it is referred to as acid rain. The most common components of acid rain include various nitrogen and sulfur oxides produced from the combustion of fossil fuels such as petroleum and coal. This activity simulates in a short time the possible effects on a variety of materials because of acid rain.