Conceptual Physics Alive: Radioactivity
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Conceptual Physics Alive: Radioactivity

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Conceptual Physics Alive: Radioactivity includes a digital video and questions set with answers. Observe Paul Hewitt teach in a classroom with real students, using engaging demonstrations and artwork. In this video, Paul Hewitt discusses the differences between alpha, beta, and gamma radiation with emphasis on balancing nuclear equations. Radioactive half-life and techniques for radioactive dating are also explained. Segment length: 40 minutesRadioactivity Includes: Hewitt begins with X rays and their nature. Three types of radiation. Alpha (helium nuclei) Beta (electrons) Gamma (electromagnetic) Why atoms are radioactive. Strong nuclear interaction. Neutrons as nuclear cement. Why a nucleus cannot be too big and be stable. Nuclear nomenclature: Helium Lithium Uranium Isotopes defined. Source of earth's heat. Uranium-series to lead. Radioactive half-life defined. Nuclear transmutation defined. Nuclear reactions: Uranium and alpha emission Thorium and alpha Beta emission Rutherford's

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