_CAMILA_VALENCIA_Radioactive_Dating_Game_Lab_____________________________________Period________Date_

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Name CAMILA VALENCIAPeriod ______ Date 14 April,2020Radioactive Dating Game LabPurpose:You will use the radioactive decay rate and original-daughter element ratios of carbon-14and uranium-238 to determine the ages of different objects.Procedure:1.Load PhET Radioactive Dating Game2.Click on the tab for Decay Rates3.Select Carbon-14.Using the graph, the estimated half-life for C-14 is5,200years.4.Move the bucket slider all the way to the right.This will place 1000 C-14 atoms onto the screen.a.Click on the Start/Stop to stop the C-14 decay.Click on Reset All Nucleib.Click on theStart/Stop to start the C-14 decay.Stop the decay as you get close to one half-life.c.Use the Step button to stop decay at one half-life.After 1 half-life, how many C-14 atoms of the 1000 original remain?490

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