Radioactive Decay Lab




This Radioactive Decay Lab offers an interactive hands-on experience centered around the exploration of radioactive decay and half-lives. Students engage in simulating atomic decay, gaining practical insights into the process.


Throughout the lab, students investigate the correlation between the ages of rocks and the presence of different levels of radioactive and decayed elements. This hands-on activity not only deepens their comprehension of radioactive phenomena but also offers valuable insights into the rock dating techniques employed by scientists based on these principles.



  • Student Lab
  • Instructor Answer Key



  • M&Ms
  • Split peas
  • Container/cup
  • Paper towels


Grade Levels: 8th – 12th
Total Pages: 14
Teaching Duration: 65 Minutes


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