The Ever-Evolving World of Science — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceThe Ever-Evolving World of Science2 Marks
Question
How did early humans measure time before clocks?
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Answer
Before clocks, early humans measured time using natural events and simple devices, such as: Sundials – using the position of the sun’s shadow to tell time. Water clocks (clepsydra) – measuring time by the flow of water from one container to another.
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