Hydro Alarm

$3.99

Description

Before nice watches and fancy clocks, people relied on water clocks to tell time. Simple and remarkably consistent, these water clocks were used for centuries in places like China and Egypt. Won’t it be great to make our own ancient time piece?

Grade Level: 3rd,4th,5th

This lesson will teach students about alternative ways to tell time. They will learn how gravity pulls water from a higher level to a lower one at a constant pace making it possible to reliably mark time by checking the amount of water left in a container. Gravity also pulls a bell that serves as an alarm.

  • Duration: 1 Hour(s)
  • Grade(s): 3rd – 5th

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