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They not only enjoyed this activity, but they really gained a better understanding of it as well.Radioactive Carbon-14 Dating of Meteorites and Lunar Materials. They will only re shake the radioactive M&Ms each time. Once they are finished with their 8 runs, they will record their data on the class data table (which can be on the board).Once all groups data is on the table, you can calculate the average for each run (1-8) and determine a class average.
A lot of the students said because they shook the containers differently... I also have students wash their hands before the activity, because of course after, the students eat the M&Ms. Radioactive decay and half-lives can be a very difficult concept for our 8th graders to grasp.
Daughter isotopes are represented by the M side down (stable).