The Nuffield Foundation provides this activity where students suggest types of function to model ozone hole data, before using a graphic calculator or spreadsheet to find at least two particular models. They then consider how well their functions model the data and what they predict for the future. The slideshow includes web links for students to undertake research and gain further insight into the issues regarding the ozone layer. No answers or reflection questions are provided, enabling this activity to be used as an assignment for assessment.
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