... by the instructor, who represents a human. Students are asked to share their observations of the “human” and should identify that the human now contains all of the original pollution. This simulation demonstrates biomagnification, the magnification of concentrations of toxins as they move up the food chain...

... ). Figure 7. Understanding salt pollution and groundwater. Figure 7. Understanding salt pollution and groundwater. Once students have investigated groundwater and salt accumulation in groundwater, they use an aerial photo from the watershed they studied (from Google Earth) along with an aerial...