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As far as mastery of content, this activity is done in our rocks and minerals unit.Students should have some prior knowledge of rocks and how they are dated. Materials Needed: -100 M&Ms (per group) -Notebook -Piece of Paper -Plastic Container with a Lid Lesson should be introduced by reviewing the 2 broad ways scientists age rocks (relative dating and radioactive dating).
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Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.
Strand 1: Inquiry Process Concept 2, PO 5: Record observations, notes, sketches, questions, and ideas using tools such as journals, charts, graphs, and computers.
Skills: -critical thinking -data analysis -questioning -graphing and data collecting Vocab Words: 1. This activity can be adapted for older students, but is used in an 8th grade earth science classroom.
Class size can vary, but activity should be done in groups of 2-3.
To facilitate the activity, the teacher will provide some introduction to absolute dating principles through the Half Life of M&M Worksheet.
Then in Phase 2 of the project, the teacher will provide the students with plastic bins each representing a different stratum of the archaeological site.
They will interpret their archaeological site by writing an explanation of when each stratum and artifact was deposited in their site.
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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.
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