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You cannot predict with individual atoms will decay because the process is For this activity, pennies will represent radioactive isotopes (atoms).This lesson can be used as an introduction to radioactivity.Students should have familiarity with the scientific notation and the units milli, micro, and nano.Students will be introduced to being science/math detectives by trying to figure out the relationship of organisms using graphs.Students will be able to: As a result of activities in grades 5-8, all students should develop understanding of science as a human endeavor, the nature of science, the history of science. That means that after 5,730 years, half of that sample decays.A coin has a 50 percent chance of showing heads, so in any round we would expect approximately half the coins to show heads.This corresponds to the decay of half the atoms in a radioactive substance and therefore the coins are indeed a good model.

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In this science project, each coin represents an atom.Through the use of an interactive Web site, students will learn about C-14 and C-14 dating.Then students will analyze an article written about the C-14 dating of the Shroud of Turin and draw conclusions.The distribution, morphology, and genetics of living populations all provide evidence for evolution, but the complete picture cannot be understood by the study of living population alone.The origin of major new structures and body plans can be studied through the archive of evolution, the fossil record.However, in contrast, the chances that an atom of polonium-214 will decay during one minute are very high.

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