Particles 0.0 / 5 ? PhysicsRadioactivityIGCSEEdexcel Created by: morrison09Created on: 30-04-16 17:59 What is nuclear fission? The process where a large nucleus absorbs a slow-moving neutron & then splits into two large fragments 1 of 6 What does nuclear fission release? Energy & further neutrons 2 of 6 What is the nucleus called used in fission? Urainum-235 (isotope) 3 of 6 Name the 3 parts that make up a nuclear reactor Fuel rods, control rods, moderator 4 of 6 What is the role of control rods? Absorb neutrons 5 of 6 What does the moderator do? It slows down the reaction 6 of 6
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