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Geological Time Scale
http://www.geo.ucalgary.ca/~macrae/timescale/timescale.html
From NASA ED Mall Collection
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This document describes how geologic time is approached in discussions of geologic topics. The uses of relative time and absolute time are compared, and a geologic time scale is provided to represent both concepts. References are provided.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
Type of resource:
  • Visual:
    • Illustration - scientific
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 2003, 2004, The University of Calgary.
DLESE Catalog ID: NASA-Edmall-589
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • Unifying concepts and processes:
        • Change, constancy, and measurement
        • Evidence, models, and explanation
      • F - Science in personal / social perspectives:
        • Types of resources
    • 5-8:
      • Unifying concepts and processes:
        • Change, constancy, and measurement
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Earth's history
    • 9-12:
      • Unifying concepts and processes:
        • Change, constancy, and measurement
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Origin and evolution of the earth system
Resource contact / Creator / Publisher:
Publisher: University of Calgary
Department of Geology and Geophysics
http://www.geo.ucalgary.ca/