Directory of Geologic Time Resources
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Also known as "geological time", this refers to the period covering the physical formation and development of Earth, especially prior to human history.
Adapted from The American Heritage® Dictionary of the English Language, Fourth Edition
Resources in This Category
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Comprehending Geological Time
http://www.athro.com/geo/hgfr1.html
An interactive tool to calculate time periods and human history in terms of different measurement scales such as a meter, a day or a million years. -
Earth Floor: Geologic Time
http://www.cotf.edu/ete/modules/msese/earthsysflr/geotime.html
Explains how the age of the earth is divided up into periods of time, and provides simple definitions and illustrations of the different names. -
Fugue No. 16: G Minor
http://jan.ucc.nau.edu/~tas3/wtc/ii16.html
Listen to the music piece while reading about how the geology and ecosystems of Grand Canyon, AZ are like a Bach fugue. -
Geologic Time Scale
http://www.ucmp.berkeley.edu/help/timeform.php
A simple table of the different time periods contains links to details of the rocks, fossils and locations of each one. -
Geological Time Line
http://www.bobainsworth.com/fossil/timeline.htm
A simple chart provides links to further details of each era, and an interactive feature allows users to see global shifts and milestones.
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Home > Kids and Teens > School Time > Science > The Earth > Geology > Geologic Time
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