Quirky time facts
What is a leap-second? A split-second? What was the Y2K issue?
In small groups, investigate one of the following aspects of time:
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The calendar
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The sundial
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Sun clocks, water clocks and mechanical atomic clocks
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The Prime Meridian
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… or another quirky area of interest.
Record your summary in a presentation and share it with your class. Enhance your mathematical explanation by using audio or inserting images.