EVPP 111 Lecture - Energy - Nuclear Energy - Student - Fall 2010

EVPP 111 Lecture - Energy - Nuclear Energy - Student - Fall 2010

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Unformatted text preview: EVPP 111 Lecture Dr. Largen Cautionar y Tale of Cher nobyl Nature of nuclear energy Histor y of nuclear Energy Use patt er ns Nuclear react ors Nuclear fuel cycle Nuclear weapons Concer ns about nuclear energy Waste disposal Cautionar y Tale of Cher nobyl Nature of nuclear energy Histor y of nuclear Energy Use patt er ns Nuclear react ors Nuclear fuel cycle Nuclear weapons Concer ns about nuclear energy Waste disposal Cher nobyl 4/26/86 ser ies of explosions Cher nobyl cause of accident human er ror inadequate safety design Cher nobyl r esponse to accident after explosion reactor fire bur ned for 9 days cur rently Cher nobyl consequences of accident evacuation immediate deaths & injur ies long-ter m death toll l ong-ter m health issues Cher nobyl consequences of accident environmental impacts public opinion % of people opposed to nuclear power Cher nobyl consequences of accident nuclear plant orders a major nuclear accident anywhere is a nuclear accident ever ywhere Cautionar y Tale of Cher nobyl Nature of nuclear energy Hist or y of Nuclear Energy Use patter ns Nuclear react ors Nuclear fuel cycle Nuclear weapons Concer ns about nuclear energy Waste disposal Natur e of nuclear ener gy nuclear ener gy some isotopes r adioactive r adioactive half-life Half-life is A. the amount of time it takes for one half of your life to pass B. the amount of time it takes for all of a given quantity of radioactive isot ope t o decay C. the amount of time it takes for of a given quantity of radioactive isot ope t o decay The larger the half-life, the _________ the amount of time it takes for a radioactive isot ope to decay. A. shor t er B. longer Assume you have a radioactive isotope with a half-life of 1000 years and you star t with 600g of the mat er ial. How much of the or iginal mat er ial will you have aft er 3000 years? A. 600g B. 300g C. 150g D. 75g E. 37.5g Natur e of nuclear ener gy nuclear ener gy Radiation three types Alpha Beta Gamma Natur e of nuclear ener gy nuclear ener gy Radiation Alpha Natur e of nuclear ener gy nuclear ener gy Radiation Beta Natur e of nuclear ener gy nuclear ener gy Radiation Gamma Natur e of nuclear ener gy nuclear ener gy nuclear fission splitting nuclei nuclear chain r eaction Natur e of nuclear ener gy nuclear ener gy nuclear chain r eaction cr itical mass two mat er ials commonly used uranium-235 plutonium-239 Natur e of nuclear ener gy nuclear fusion 2 lightweight atomic nuclei combine to for m a heavier nucleus Nuclear ___________ involves combining two atomic nuclei ....
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EVPP 111 Lecture - Energy - Nuclear Energy - Student - Fall 2010

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