Curated OER
The Dead Zone in the Gulf of Mexico
Young scholars explore hypoxic (low oxygen) conditions in the Gulf of Mexico. In this ocean habitat lesson, students hypothesis, design and implement an experiment to explain the existence of the "Dead Zone" in the Gulf of Mexico.
National Geographic
National Geographic: Visualizing Watershed Health
Using data visualizations that show dissolved oxygen levels, students analyze the health of the Chesapeake Bay watershed. They will also learn about dead zones, which are aquatic areas where there is insufficient oxygen to support life....