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When will half of the substance be gone? Using the exponential decay formula, the video finds the half-life of radium-226. The 29th installment in a 31-part series goes on to discuss that the calculations are the same independent of the substance involved. The presentation uses the calculations to highlight the formula to find the half-life given the decay constant.
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Instructional Ideas
- Compare calculations to published half-lives
- Work with the science department to calculate the half-life of elements the instructors discuss in their classes
Classroom Considerations
- Individuals should know the properties of logarithms
- This video is hosted on YouTube
Pros
- Explains the concept of half-life
- Uses colors to show the quantities that cancel during the computations
Cons
- None
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