Take a trip through time. A lesson resource provides instruction on the origin of current measurements for time. The text explains the different tools humans used throughout history to measure time as well as provides examples such as the power grid, satellites, and cell towers that rely on accurate time measurement today.

Concepts

time, time intervals, time zones, sundials, analog clocks, clocks, digital clocks

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Additional Tags

science

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Instructional Ideas

• Have learners create a timeline to track the different timekeeping tools throughout history
• Ask individuals to research different time zones and create a map with reference to longitude

Classroom Considerations

• Resource requires a fair amount of complex reading

Pros

• Uses images and diagrams to reinforce the content
• Incorporates examples to demonstrate the time zone calculations

Cons

• None