Type:

Other

Description:

This interactive feature lets students investigate how absloute (numerical) dates are determined for rocks, minerals, and organic (carbon-containing) material. Topics include radioactive decay and the use of isotope ratios to obtain ages in years; the difference between relative and absolute dating; the use of rubidium-strontium isotope ratios to date rocks and minerals; the development of radiocarbon dating in the 1940s by Willard F. Libby; and the use of tree ring data to calibrate radiocarbon dates. After each section, students answer study questions before continuing to the next step in the exercise.

Subjects:

    Education Levels:

    • Grade 1
    • Grade 2
    • Grade 3
    • Grade 4
    • Grade 5
    • Grade 6
    • Grade 7
    • Grade 8
    • Grade 9
    • Grade 10
    • Grade 11
    • Grade 12

    Keywords:

    Informal Education,Geology,NSDL,Paleontology,Petrology,Mineralogy,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-111-908,Geoscience,High School,Social Sciences,Vocational/Professional Development Education,oai:nsdl.org:2200/20120118122507437T,Physics,Archaeology

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

    Collections:

    None
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    Non-profit Tax ID # 203478467