Radioactive Decay Lab




Looking for a hands-on activity in which students investigate radioactive decay and half-lives?


This lab is intended to take approximately 65 minutes and requires students to simulate how atoms radioactively decay and how rocks of different ages have different amounts of radioactive and decayed elements.



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


This resource includes an answer key as well.


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


If you have any questions, please do not hesitate to ask.
Thanks for visiting!


There are no reviews yet.

Be the first to review “Radioactive Decay Lab”

Your email address will not be published. Required fields are marked *