Get ready to bring radioactive decay to life with this fun and interactive lab! Using M&Ms and split peas, your students will model how atoms break down over time and discover how scientists use half-lives to unlock the age of rocks and fossils.
This hands-on activity isn’t just about dropping candy into a cup—it’s about making real-world connections to how geologists date Earth’s materials. Your students will see science in action, analyze data, and walk away with a solid understanding of radioactive decay and half-lives.
✨ Super Engaging – Who doesn’t love an experiment with candy?
✨ Easy to Set Up – Uses simple materials you probably already have.
✨ Real-World Application – Helps students connect the dots between atoms, time, and Earth’s history.
✅ Student Lab – Easy-to-follow instructions for a hands-on experience.
✅ Instructor Answer Key – Clear explanations for quick grading and discussion.
This lab takes abstract science concepts and makes them tangible, exciting, and memorable. It’s perfect for any earth science or chemistry class—so grab some M&Ms and get ready to dive into the world of radioactive decay!
Grade Levels: 8th – 12th
Total Pages: 15
Teaching Duration: 65 Minutes
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