6.2 Stratospheric Ozone

I am taking the approach to have this topic as a self-study unit and so students can work through the material and tasks then check their understanding with the questions at then end of the sub-topic.Significant Ideas:Recommended Teaching Time (not including practicals): 2 hoursFrom the Guide (IB ESS Guide 2015) Student Task:Watch the UNEP video about the formation of the ozone hole and how goverments worked together...
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