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    Quiz on radioactive dating

    After study and discussion of this question, I now believe that the claimed accuracy of radiometric dating methods is a result of a great misunderstanding of the data, and that the various methods hardly ever agree with each other, and often do not agree with the assumed ages of the rocks in which they are found.Scientists look at half-life decay rates of radioactive isotopes to estimate when a particular atom might decay.For example: the half-life of The “m” in Tc-99m stands for “metastable,” indicating that this is an unstable, high-energy state of Tc-99.Metastable isotopes emit γ radiation to rid themselves of excess energy and become (more) stable.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. Paul, MN, based on an original activity retrieved from also with the help of Jenni Johansen (other 8th grade science teacher at So. Paul Junior High School In this activity, students gain a better understanding of radioactive dating and half-lives.

    We are told that of all the radiometric dates that are measured, only a few percent are anomalous.

    A useful application of half-lives is radioactive dating.

    This has to do with figuring out the age of ancient things.

    Each chapter will include a few questions designed to test your knowledge of material covered in the chapter and in the Internet-based resources.

    As a member, you'll also get unlimited access to over 55,000 lessons in math, English, science, history, and more.

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