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11.3 Nuclear Energy

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Katelynn Dorn

on 31 October 2014

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Transcript of 11.3 Nuclear Energy

Nuclear Energy
Ch. 11 Resources and Energy: Lesson 3
Fusion for Energy
Scientists are trying to harness nuclear fusion for the production of large amounts of electricity
commercial fusion reactor
H atoms from ocean used as fuel
less waste
Nuclear Fusion
fusion- smaller atoms of nuclei combine to form larger atoms
H and He in sun fuse and sun releases energy (15 mil. degrees)
Uranium-235
rare isotope of uranium
ore processed into fuel pellets
place into fuel rods, bombarded by neutrons
U-235 nuclei split in the rods, releases more neutrons and energy
chain reaction- heat
Nuclear Reactor
where controlled nuclear fission takes place
can give off radiation
where to dump waste? ocean in the past, currently in on-site storage
3 disposal facilities in U.S.
Nuclear Fission
fission- the splitting of a nucleus into two or more smaller nuclei
lots of heat and energy
generate electricity
4:20
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