Boron - Material to make control rods out of, Graphite - Material used to make moderator, Control rod - used to regulate the rate of the nuclear reaction by absorbing neutrons., Moderator - slow down fast neutrons to thermal energies, making them more likely to induce fission, Concrete - Used to make walls to shield the reactor, Uranium 235 - More fissionable isotope of uranium, Uranium 238 - Less fissionable isotope of uranium, Chain reaction - When the neutrons released in a reaction go on to cause further fissions, Coolant - Transfers heat energy from the core of the reactor to the water, Turbine - Spun by the steam, which then turns the generator, Contamination - Occurs when radioactive material (particles or substances) is deposited on or within an object, a person, or the environment., Irradiation - Exposure to ionizing radiation from a source without direct contact with the radioactive material., Alpha - Used in smoke alarms, Beta - Used in thickness monitoring, Gamma - Used in radiotherapy, Medical tracer - Diagnostic tool that uses gamma radiation, Long half life - Source used in a smoke alarm should have a..., Short half life - Source used in a medical tracer should have a...,

The End of Radioactivity

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