11/24/2023 0 Comments What does half life meanTo do this lesson and understand half-life and rates of radioactive decay, students should understand ratios and the multiplication of fractions, and be somewhat comfortable with probability. The final lesson, Frosty the Snowman Meets His Demise: An Analogy to Carbon Dating, is based on gathering evidence in the present and extrapolating it to the past. The first lesson, Isotopes of Pennies, introduces the idea of isotopes. This is the second lesson in a three-lesson series about isotopes, radioactive decay, and the nucleus. ![]() To demonstrate that the rates of decay of unstable nuclei can be measured, that the exact time that a certain nucleus will decay cannot be predicted, and that it takes a very large number of nuclei to find the rate of decay. PiccoloNamek, via Wikimedia Commons Purpose
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