12 geologic time periods

Precambrian, Cambrian, Ordovician, Siuran, Dovician, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Tertiary, Quaternary

Image Source: http://www.jeron.je/anglia/learn/sec/science/prehist/

Databases

Science Online (Very helpful to students.)

Websites

Encyclopedia Britannica Geologic History of Earth (Very helpful to students.)

Geologic Time (Very helpful to students.)

United States Geological Survey .gov

Prehistoric World

12 Geological Periods

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Precambrian
*Examples of resources.

Gale Research in Context

Gale Virtual Reference Library

Infobase Science Online

EBSCOhost

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.