Lab 12 Radioactive dating - Name_Megan Bailey_30232 Radioactive Dating Game Lab

Lab 12 Radioactive dating - Name_Megan Bailey_30232...

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Name _____Megan Bailey_________30232____________ Radioactive Dating Game Lab Purpose: You will use the radioactive decay rate and original-daughter element ratios of carbon-14 and uranium-238 to determine the ages of different objects. Procedure: 1. Load PhET Radioactive Dating Game 2. Click on tab for Decay Rates 3. Select Carbon-14 . Using the graph, the estimated half-life for C-14 is ____5,500_____ years. 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 Nuclei b. Click on the Start/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?

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