'Fission chain reaction' diaporamas de présentation

Introduction to Nuclear Weapons

Introduction to Nuclear Weapons. Physical Science. I. Nuclear Physics. Key Concepts The atom: Nucleus surrounded by electrons (a.k.a. beta particles). 2. The Nucleus: Protons and Neutrons. Electro-magnetism holds electrons in orbit (electrons are negatively charges, protons are positive)

1.51k views • 85 slides

Introduction to Nuclear Weapons

Introduction to Nuclear Weapons. Physical Science. I. Nuclear Physics. Key Concepts The atom: Nucleus surrounded by electrons (a.k.a. beta particles). 2. The Nucleus: Protons and Neutrons. Electro-magnetism holds electrons in orbit (electrons are negatively charges, protons are positive)

964 views • 85 slides

Nuclear Reactions

Nuclear Reactions. Natural Transmutation. 1 term on reactant side Original isotope 2 terms on product side Emitted Particle New Isotope. Happens all by itself (spontaneous) Not affected by anything in environment. 8. -1. Natural Transmutation. 16 N ? 0 e + 16 O. 7.

892 views • 35 slides

Nuclear Implications and Applications

Nuclear Implications and Applications. Nuclear Power. Diablo Canyon Power Plant, California. Source: Jim Zimmerlin, http://www.zimfamilycockers.com/DiabloCanyon.html. Nuclear Power. Nuclear fission reactions release heat (kinetic energy of products)

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Nuclear Energy

Nuclear Energy. Types of Nuclear Reactions. Fusion: Smashing atoms together Makes heavier element Not currently cost effective for large scale production Fission: Energy is released when nucleus is split apart. 1 g U @ 3 tons coal. The Fission Chain Reaction

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Nuclear Physics

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Nuclear Physics

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Lise Meitner 1878 - 1968

Lise Meitner 1878 - 1968. A physicist who never lost her humanity. The most significant woman scientist of the 20 th century. Born in Vienna, Austria in a Jewish family First person to realize that the nucleus of an atom could be split into smaller parts.

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Nuclear Fission & Fusion

Nuclear Fission & Fusion. History:. Hahn & Strassman (1939). Bombarded Uranium-235 samples with neutrons expecting the Uranium-235 to capture neutrons. Instead, the products showed different chemical properties that they could not explain. Meitner & Frisch.

461 views • 13 slides

Nuclear Fission & Fusion

Nuclear Fission & Fusion. History:. Hahn & Strassman (1939). Bombarded Uranium-235 samples with neutrons expecting the Uranium-235 to capture neutrons. Instead, the products showed different chemical properties that they could not explain. Meitner & Frisch.

268 views • 13 slides

Nuclear Fission & Fusion

Nuclear Fission & Fusion. History:. Hahn & Strassman (1939). Bombarded Uranium-235 samples with neutrons expecting the Uranium-235 to capture neutrons. Instead, the products showed different chemical properties that they could not explain. Meitner & Frisch.

238 views • 13 slides