The EPA developed this colorful website to teach students all about acid rain. First, through clear descriptions and helpful figures users can learn the characteristics of acid rain, its dangers, and how to control it. The website offers an interactive connect-the-dots, word searches, crossword puzzles, and other games. A short movie provides an overview of how the use of coal contributes to acid...

The US Geological Survey maintains the On-line Data and Reports on Acid Rain, Atmospheric Deposition and Precipitation Chemistry Web site. Visitors to the site can use the interactive US map to retrieve monitoring station data including precipitation-weighted means and total wet deposition in the form of trend plots, annual data summaries, and annual to daily data sets. Other resources available...

The first site related to pH is from the Horiba corporate Web site entitled the Story of pH (1). Visitors can learn what pH is and how it's measured, explore various facts about pH, and read several anecdotes such as "Is the Rain in Our Cities Acidic." The site contains simple text, attractive graphics, and a well-designed layout making it fun and easy for anyone to explore. The second site from...