Radiometric dating activities

Posted by / 12-Dec-2014 14:14

Inscriptions, distinctive markings, and historical documents can all offer clues to an artifact's age.

These use radioactive minerals in rocks as geological clocks.Each original isotope, called the parent, gradually decays to form a new isotope, called the daughter.Each isotope is identified with what is called a ‘mass number’.Using dice, each one marked with one side that represents a daughter isotope, students can roll their way through the decay cycle of a hypothetical element.As they record their rolls on a data chart, students create and evaluate the decay curve for the isotope.

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The atoms of some chemical elements have different forms, called isotopes.