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This chapter explores the concepts of fusion and fission, the mass of nuclei, stability of uranium isotopes, the origin of gold, nuclear power plant safety, and types of nuclear terrorism.
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Physics: Concepts and Connections, 4th ed., Art HobsonChapter 16 – Fusion and Fission
Which has more mass? A) a whole nucleus B) the sum of its parts (the separated nuclei) C) It depends on the size of the nucleus.
Which has more mass? A) a whole nucleus before it fissions B) the sum of its daughter elements C) It depends on the size of the nucleus.
Which uranium isotope is stable? A) U-235 B) U-236 C) U-237 D) U-238
Gold is found in the Earth’s crust, but where did it come from? A) Chemical reactions with other elements B) Fission reactions of larger atoms C) Fusion reactions from stars like our sun D) Supernova explosions
Is it possible for a nuclear power plant to explode as a result of the nuclear reaction process of the core? A) Yes B) No C) It depends on the amount and concentration of the radioactive fuel.
What is needed to slow down the chain reaction in a nuclear power plant? A) The control rods must be moved in. B) The control rods must be moved out.
Which kind of nuclear terrorism is most likely? A) Seizing and detonating an intact nuclear weapon B) Seizing or purchasing weapons-grade material to build and detonate a nuclear bomb C) Sabotaging a nuclear power plant D) Detonating a “dirty” bomb
Which kind of nuclear terrorism would result in the greatest destruction? A) Seizing and detonating an intact nuclear weapon B) Seizing or purchasing weapons-grade material to build and detonate a nuclear bomb C) Sabotaging a nuclear power plant D) Detonating a “dirty” bomb
? A) B) C) D)