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Time Clocks
http://www.uky.edu/KGS/education/clockstime.htm
From DLESE Community Collection (DCC)
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This exercise can be used to demonstrate changes in the Earth through time, and the length of time it took for those changes to take place. A list of Important Dates in Earth History is provided that contains the dates of the events shown on a time clock. The teacher can pick events from the list of key events and calculate (or have students calculate) the time for the key events they wish to use. A page-size image of the clock can be printed and turned into an overhead transparency. To better demonstrate the changes since the beginning of the Paleozoic Era, the same exercise could be done the second day of class, using only the last 570 million years of time.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
Type of resource:
  • For the classroom:
    • Classroom activity
    • Presentation / Demo
Subject:
  • Geological Sciences:
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
All files associated with this page are copyrighted 1997 - 2005 by the Kentucky Geological Survey, University of Kentucky.
DLESE Catalog ID: DLESE-000-000-008-550
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Changes in earth and sky
    • 5-8:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Earth's history
Related resources:
This resource is part of 'Kentucky Geological Survey: Earth Science Education Network'
http://www.uky.edu/KGS/education/
Resource contact / Creator / Publisher:
Publisher: University of Kentucky
Kentucky Geological Survey


Author: Dr Stephen Greb
Kentucky Geological Survey