Earth Science 111 Lab Activities Lab F                                                                                   back to LAB F
Introduction: Geological Scale - 24 Hour Clock

This activity uses an interface of a clock with 24 hours as a metaphor to express the major events of Earth's history over time. The age of the earth is represented by the 24 hrs on the face of the clock. The sweep of the hour hand around the clock, once from 12:00 AM to Midnight, represents the passage of time from the beginning of earth to today. With each major event in the history of Earth placed on the clock of time in relevance to its time of occurrence in history.


To play the animation, use the control buttons in the top left corner.

Or click on  the "hotspots" in the green outer ring of the clock to view specific events of the Earths history in relevance to time on a 24 hr clock. 


To begin the activity, click Here.