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APES Nuclear

Across
Human made isotopes heavier than uranium
1986 nuclear plant explosion in the Ukraine
Main obstacle to opening Yucca Mountain
Reactors that produce more fissionable material than they consume, including highly toxic plutonium
I Sievert = 100 ___
Atomic process used to generate heat in a nuclear reactor
Encases the nuclear reactor
Nuclear reactor for which you are currently paying
Cancer on the increase as a result of Chernobyl
Looming structures that prevent the release of heat into the environment
Most radioactive waste substance stored on site at nuclear power plants
Down
Uranium-238
Atomic process which generates heat and light in stars
Along with radioactivity, chief pollutant of nuclear plants
5000 of these radiation units is our LD50
plutonium, iodine and strontium are ____ of uranium breakdown    
Radioisotopes have reached the ___ near Chernobyl
Worse US nuclear accident
For Fukashima land to be reopened, radiation has to be reduced to 20 mSv/yr. The total radiation you receive from all sources each year is how many times that number?
Event triggered by fission of enriched uranium pellets
Controls rods substance that grabs errant neutrons
Planned national depository for spent nuclear fuel. Under this mountain.
Element form that varies only in the number of neutrons