Big or Small: Measure It All
Western Reserve Public Media

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Find out a little about the history of time and how accurate time is kept. Learn about elapsed time, hours, minutes and precision.


Lesson Plans

Plop, Plop, Fizz, Fizz — Timing Race — Determine the time difference in using hot and cold water to melt an antacid tablet.

Think Time! — Compute the elapsed time of an event. This lesson plan includes a PowerPoint presentation.
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