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The following simulations come from the Ocean Sciences Sequence for Grades 6–8: The Ocean-Atmosphere Connection and Climate Change. Each simulation is part of a complete activity or series of activities on a particular topic within the curriculum sequence. However, the simulations are intended to stand alone, independent of the curriculum, as well. Below are suggested activities for use with the simulations independent of the curriculum.
This simulation activity derives from Session 3.7. in the OSS 6–8 curriculum. Students use a computer simulation to make predictions about what will happen to sea ice, salinity, and the flow of North Atlantic Deep Water when atmospheric temperature is increased near Greenland. They learn that the temperature of Earth’s atmosphere affects ocean currents.
Students will need to understand that ocean currents are being driven by the concept that denser substances sink below substances that are less dense, and that colder water is more dense than warmer water and saltier water is more dense than less salty water. These concepts are reinforced in the previous simulation activity.
Simulation: Guiding Question: Can climate change affect ocean currents?