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12 geologic time periods

Precambrian, Cambrian, Ordovician, Siuran, Dovician, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Tertiary, Quaternary
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Image Source: http://www.jeron.je/anglia/learn/sec/science/prehist/
Databases
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Science Online (Very helpful to students.)
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Websites
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Encyclopedia Britannica Geologic History of Earth (Very helpful to students.)
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Geologic Time (Very helpful to students.)
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United States Geological Survey .gov
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Prehistoric World
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12 Geological Periods

Precambrian
*Examples of resources.

Gale Research in Context
Gale Virtual Reference Library
Infobase Science Online
EBSCOhost
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Article on Precambrian Time
Discovery Education
Created for Mrs. Clifton's, Mrs. Cook's, & Mrs. Czepiel's 6th Grade Science classes. Last Updated by Ms. Field 1/12/2017.
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