National Library of Medicine
Your Environment, Your Health: Runoff, Impervious Surfaces, and Smart Development
Can a sidewalk increase the amount of pollution in local streams? Scholars learn the answer to this question though research and experimentation in the fifth unit in the six-part series. Pupils study runoff, impervious surfaces, and the...
Carnegie Mellon University
Chem Collective: Acid Mine Drainage
Students explore the chemistry behind the causes and effects of acid mine drainage on a modeled river. In this activity, students examine the chemistry of acidic mine runoff and its effects on river water.