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Baird, Bill – Physics Teacher, 2014
When students are first introduced to the idea of radioactive decay, a large conceptual hurdle must be overcome. The thought that an object's age has no bearing on the chance it will "die" (decay in this case) on a particular day is completely at odds with biological notions of life and death. Through the use of a simple…
Descriptors: Scientific Concepts, Scientific Principles, Teaching Methods, Science Activities