The purpose of this lesson is to explore the relationships between the temperature of a pond and the dissolved oxygen content, and the temperature of a pond and the growth of microbes. Overview This lesson occurs over a time and uses a variety of teaching and learning strategies.
Scientific inquiry is used as the basic method of investigation.
The lesson employs the use of mathematical principles such as graphing and extrapolation. It also makes use of technology with such items as a graphing calculator for graphs and predictions. The lesson addresses societal concerns, such as human impact on fresh water aquatic systems, as a possible variable. The content addresses scientific concepts and principles related to the organization and interdependence of living ecosystems, their natural progressions, and the impact of human development on them. The lesson employs cooperative learning.