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1
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particles and electromagnetic rays emitted from the center of an atom during radioactive disintegration
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2
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contamination of the environment
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3
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something produced with the least amount of wasted energy
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4
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the heaviest element found in nature
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5
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expense to get fuel ready to use in a power plant
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6
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time for a radioactive substance to lose half of its radio activity due to radioactive decay
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7
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energy from heat inside the Earth
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9
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a gas so hot that all electrons are stripped away from the atoms
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11
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center fuel region of a nuclear reator
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14
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material that can be converted into useful energy
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17
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process of splitting the nucleus of a heavy atom into two or more lighter atoms
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18
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11 to 15 foot long tube containing fuel pellets
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20
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gas or liquid used to cool the reactor
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21
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natural, radioactive gas formed by the radioactive decay of radium; atomic symbol is Rn
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22
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material used to protect people from ionizing radiation
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