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In this hands-on activity, students analyze the data on Mystery Object Cards, observe that astronomical objects have many observable properties, and discover that these properties allow scientists to categorize astronomical objects into different groupings. Students also discover that, because objects can be grouped in different ways, discrete categorization is not always possible. This is why scientists need time to fully study and understand celestial objects and phenomenon. This activity is part of a unit designed to use gamma-ray bursts - unimaginably huge explosions that signal the births of black holes - as an engagement tool to teach selected topics in physical science and mathematics. The guide is based on the 5E instructional sequence and features background information, assessments, student worksheets, extension and transfer activities.
This resource is located on page 8 of the PDF document.