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Activities

Earth History Clock

Authors:
Godfrey Nowlan, GSC
Beverly Ross, Rundle College Junior High School

The immensity of time in our Earth's history can be visualized by looking at a clock face and breaking the 4.6 billion years down into a 12 hour period. You will be given a colour version of this chart with which to make the clock.

   

    Last Modified: 2004-12-10