Radiometric Dating
http://www.cerritos.edu/colbath/ES110/ESCI_110_Lecture_Notes/Unit_7_Radiometric_Dating.htm

G. Kent Colbath, Cerritos College


This site covers the use of radioactive decay as a clock to determine the age in years of events in earth history. The activity uses coin tosses to describe isotopes, both stable and unstable, and radioactive decay.

This resource is referenced here:
Subject: Geoscience:Geology:Geochemistry:Radioisotopes
Resource Type: Scientific Resources:Overview/Reference Work, Activities
Topics: Solid Earth:Geochemistry:Radioisotopes