Free 5-day trial This quiz and corresponding worksheet will help you gauge your knowledge of radiometric dating methods and half-life through questions that test your understanding of what radioactive decay is as well as knowing what a material's half-life is.
Students use M&Ms to demonstrate the idea of radioactive decay. Parent isotopes are represented by the M side up (radioactive).
Students begin by pouring the 100 M&Ms on the table, and set aside the "stable" isotopes (M side down).
They then gather the radioactive, or M side up M&Ms, put them back in the container, and then pour them out again. and continue this process until all M&Ms are stable, or M side down.
Once students are in their groups, with supplies, and general directions are given, they are on their own for doing their runs.Students will record the number of M&Ms that are still "radioactive" (M side up) in their data table after each run, and set aside the "stable" (M side down) M&Ms.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).Technology is essential to science, because it provides instruments and techniques that enable observations of objects and phenomena that are otherwise unobservable due to factors such as quantity, distance, location, size, and speed.Technology also provides tools for investigations, inquiry, and analysis.