I'm Late, I'm Late, for a Radioactive Date! Student Sheet #4.2 Group Investigations using www.shroud.com/nature.htm Name: ______________________________________ Group 4 will go to Table 1 - Basic Data. Sample 1 High Value Low Value Range Average yBP Arizona           Oxford           Zurich           Which lab has the highest range?  _________________________________ Which lab has the largest value? __________________________________ Which lab has the smallest value? _________________________________ Group 5 will go to Table 1 - Basic Data. Sample 3 High Value Low Value Range Average yBP Arizona           Oxford           Zurich           Which lab has the highest range?  _________________________________ Which lab has the largest value? __________________________________ Which lab has the smallest value? _________________________________ Group Questions What was the size of each sample tested by each laboratory? Oxford ____________ Arizona ___________ Zurich __________ How much radiocarbon is there in a 50/4 mg sample? _____________mg Is there any truth to the following quote? "The laboratory that has larger samples had less variation in the dates." Explain. ________________________________________________________ ________________________________________________________ Which lab did not do the experiment as a blind study? _______________ Let us suppose that Zurich was the only station that was correct. How old would Sample 1 (the Shroud of Turin) be? (Hint: see Student Sheet #3 Questions #6, #7, and #9.) ________________________________________________________ Did microbiological contamination (fire, dust, etc.) in any way affect the result of the carbon-14 dating? ________________________________________________________ ________________________________________________________ Are we able to explain how the marks appeared on the cloth? _________ ________________________________________________________