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Name ______________________________________________________ Period ______ Date _________Radioactive 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 PhETRadioactive Dating Game2.Click on tab forDecay Rates3.SelectCarbon-14.Using the graph,the estimated half-life for C-14 is_________ years.4.Move the bucket slider all the way tothe right.This will place 1000 C-14atoms onto the screen.a.Click on theStart/Stopto stop theC-14 decay.Click onReset AllNucleib.Click on theStart/Stopto start the C-14 decay.Stop the decay as you get close to one half-life.c.Use theStepbutton to stop decay at onehalf-life.After 1 half-life, how many C-14 atoms of the 1000 original remain? _______d.Use theStart/StopandStepbuttons to reach two half-lives.After twohalf-lives, how manyC-14 atoms remain? ________What fraction of C-14 atoms present at 1 half-life remain after 2 half-lives? _______e.

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Term
Fall
Professor
N/A
Tags
Radioactive Decay, Half Life, Plant Tree, Radiometric Ages

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