In this activity students will investigate the accuracy of sundials and the discrepancy that lies between "real time" and "clock time". They will track the position of the sun over the course of a relatively short period of time as they make a shadow plot, a horizontal sundial, and a diptych sundial. (The activity may be abridged to include only one or two of the different sundials, instead of all three.)

Concepts

engineering, sunrise, sunset, time, stem, sundials

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Additional Tags

daylight savings time, noon, standard time, integrated teaching and learning program and laboratory, teachengineering, sundial

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)