Radioactive dating classroom activities

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Go over the "proper use of materials for their intended purpose" policy to remind students of the difference between acceptable and unacceptable behaviours in class.

Follow the directions from the Determining the Age of Fossils website for activity 2a.

Grouping Suggestions: The teacher should assign small groups (2-3 students) to ensure diversity within the groups.

Teacher discretion is advised especially in the areas of mathematical abilities.

Make sure to know any food related allergies of the students before handing them the candy.

If such allergies occur, use a substitute material such as pennies.

Students may confuse this random change of events with the non-random decay of radioactive isotopes.

Therefore, the teacher should state and enforce a no throwing rule of materials.

The M&Ms can be eaten by the students at the end of the activity.

Assessment: Monitor students' work to check that they are carrying out procedures carefully, making observations, and recording data accurately. Exploration Follow the directions on the Radiometric Dating website.

Before the lesson the teacher will need to make a student activity worksheet with the data table, graph, and follow-up questions found on the website.

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