Sun Journal article coverage of two Edward Little High School teachers's, Jenn Heidrich and Erin Towns, both selected for PolarTREC expeditions. Jenn Heidrich was selected to go on an expedition in Yukon, Canada, and Erin Towns was selected to go on an expedition to Ilulissat, Greenland.
In part one of this two-part lesson students work in pairs to explore the effects of salinity on ocean stratiļ¬cation using a simple plastic shoebox-sized container in which they create a mini-ocean environment. Students will apply what they learn in the lab setting along with information gained in several online articles to a basic understanding of the Global Conveyor