The curriculum module described in this article addresses the global issue of ocean acidification (OA) (Feely 2009; Figure 1). OA is a harmful consequence of excess carbon dioxide (CO[subscript 2]) in the atmosphere and poses a threat to marine life, both algae and animal. This module seeks to teach and help students master the cross-disciplinary…

Ecological studies that examine how organisms interact with their environment provide a particularly useful backdrop for high school students to both quantitatively and qualitatively explore the natural world. In Hot Springs, South Dakota, the authors developed a module that integrated modern ecological theory within an American Indian cultural…