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Measurement of Time and Motion — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceMeasurement of Time and Motion2 Marks
Question
Design a way to record time using only shadows and a stick.
✓

Answer

Place a stick vertically in the ground on a flat surface in sunlight. Mark the tip of the shadow at regular intervals throughout the day. The changing position and length of the shadow indicate the passage of time. This method forms the basic principle of a sundial.

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