Radiometric dating school

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Geologists draw on it and other basic principles ( to determine the relative ages of rocks or features such as faults.Relative age dating also means paying attention to crosscutting relationships.Absolute age dating is like saying you are 15 years old and your grandfather is 77 years old.

Once all groups data is on the table, you can calculate the average for each run (1-8) and determine a class average.

Students should recognize each time the number should go down by appx half.

Then students take the class data and create a graph comparing the number of parent isotopes to the number of half-lives.

Skills: -critical thinking -data analysis -questioning -graphing and data collecting Vocab Words: 1. This activity can be adapted for older students, but is used in an 8th grade earth science classroom.

Class size can vary, but activity should be done in groups of 2-3.

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