Radiometric dating quiz questions


19-Jun-2016 17:18

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They also measure the sand grains in the bottom bowl (the daughter isotope, such as lead-206 or argon-40, respectively).How radiometric dating works in general Why methods in general are inaccurate Why K-Ar dating is inaccurate The branching ratio problem How Errors Can Account for the Observed Dates Why older dates would be found lower in the geologic column especially for K-Ar dating Do different methods agree with each other on the geologic column?Part 1 (in the previous issue) explained how scientists observe unstable atoms changing into stable atoms in the present.Part 2 explains how scientists run into problems when they make assumptions about what happened .

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Understand how decay and half life work to enable radiometric dating.

Ages of many millions of years for rocks and fossils are glibly presented as fact in many textbooks, the popular media, and museums. One has only to wait: time itself performs the miracles.”1 Yet few people seem to know how these radiometric dating methods work.

For decades, the biologists have boldly proclaimed that, whereas we cannot observe today one type of creature evolving into a totally different type of creature, “Time is the hero of the plot. No one even bothers to ask what assumptions drive the conclusions.

However, this causes a problem for those who believe based on the Bible that life has only existed on the earth for a few thousand years, since fossils are found in rocks that are dated to be over 500 million years old by radiometric methods, and some fossils are found in rocks that are dated to be billions of years old.

If these dates are correct, this calls the Biblical account of a recent creation of life into question. This worksheet has 33 Earth Science Regents questions about radioactive dating . Use the applet below to answer the questions on the worksheet Radioactive Dating Game PHET Make sure you read and follow all of the directions. 31st: Notes on Absolute Age, Practice worksheet on radioactive decay and half-lives.



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