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Comprehending Geologic Time
http://www.athro.com/geo/hgfr1.html
From NASA ED Mall Collection
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This online calculator helps students understand the classic analogy of relating the geologic time scale to a yard stick. It will help reinforce the concept of the briefness of human history relative to the age of the Earth.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • For the classroom:
    • Computer activity
Subject:
  • Geological Sciences:
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 1997-2001, Athro, Limited. All rights reserved.
DLESE Catalog ID: NASA-Edmall-623
Resource contact / Creator / Publisher:
Contributor: Athro, Limited
http://www.athro.com/