Type:

Other

Description:

This time scale allows students to select multiple time periods from a list and view them on a highlighted display. It shows the relationship between eon, era, period, sub-period, and epoch and also includes the date in mega-annum (Ma) or millions of years before present. The scale reflects the changes in the Cenozoic Era (Tertiary and Quaternary have been eliminated and the Neogene modified) in the most recent International Stratigraphic Charts.

Subjects:

    Education Levels:

    • Grade 1
    • Grade 2
    • Grade 3
    • Grade 4
    • Grade 5
    • Grade 6
    • Grade 7
    • Grade 8
    • Grade 9
    • Grade 10

    Keywords:

    Space Science,oai:nsdl.org:2200/20061003232806502T,Astronomy,Middle School,NSDL,Chemistry,Geology,High School,NSDL_SetSpec_dlese.org,Elementary School,Space sciences,Physical sciences,Geologic time,Physics,Geoscience,Earth science

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

    Collections:

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