unique ideas for elementary student awards do something new and creative this year by awarding your elementary students with unique student awards hopefully one or more of these awards made you think of a specific student
C. Fission: may create radioactive nuclei, may undergo a chain reaction Fusion: energy source for stars Fission and fusion: large amount of energy produced
Fissionable Isotopes. While uranium-235 is the naturally occuring fissionable isotope, there are other isotopes which can be induced to fission by neutron bombardment. Plutonium-239 is also fissionable by bombardment with slow neutrons, and both it and uranium-235 have been used to make nuclear fission bombs.Plutonium-239 can be produced by  breeding  it from uranium-238. Uranium-238, which makes up 99.3% of natural uranium, is not fissionable by slow neutrons.lutonium-239 is also fissionable by bombardment with slow neutrons, and both it and uranium-235 have been used to make nuclear fission bombs. Plutonium-239 can be produced by  breeding  it from uranium-238.