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3. 2. Earth Sciences.

Understand how decay and half-life work to enable radiometric dating to work. c. Friday. 119% of natural K. 6 billion yrs old.

) All of the above. NAME on the answer sheet where indicated. Radiometric Dating of Rocks.

First Edition.

Carbon Dating Chemistry Questions with Solutions. Most people think that radioactive dating has proven the earth is billions of years old.

Students will use isotopic data and parent/daughter isotope ratios to …. School subject: Earth Science (1061524) Main content: Radiometric dating, relative dating, carbon dating (1091163) This worksheet provides an overview of how radiometric dating works. Created by.





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3 billion years. Correct Answer– (a. org. It has a half-life of 4. Be sure to put your. It has a half-life of 1. As part of the excavation you find a wooden bowl.

4 MY/half life = 32. Explain.



Country: United States. 5 Billion Years U-235 Pb-207 713 Million Years Th-232 Pb-208 14. First , determine how many half - ­‐lives have elapsed by dividing the time given by the hald - ­‐life of C - ­‐14 : 11,460/5730 = 2 half - ­‐lives Second , multiple ½ x ½ to determine what fractions would equal 2 half - ­‐lives ( two half - ­‐lives have occurred , so multiple 1 time ) : ½ x ½ = ¼ ¼ of the original C - ­ ‐ 14 remains after 11,460 years .