Curated OER
Acid Rain
Students perform experiments to determine how different acids cause acid rain. They measure the pH of the water to calculate the water's acidity. They discover how acid rain dissolves rock materials.
Wikimedia
Wikipedia: Sulfur
This site from the Wikipedia Encyclopedia provides information on atomic properties, physical properties and notable characteristics of sulfur can be found on this informative site. Links are provided for additional information.
Other
Sulfur Facts
Sulfur history, production, processing, properties, and sulfur uses are explained in this comprehensive site.