20100921



=ER2: Isotopes= We'll check for credit, and discuss selected isotopes =Iran and "The Bomb"= Having studied the article, consider the following questions: =Decay Chain: The Game= Instructions provided in class! The concept is to start your life as a radioactive Uranium-238 isotope and see how long it will take you to decay into the stable isotope, Lead-206. There is an element of chance and an element of strategy involved.
 * What is "enriched uranium"?
 * What do neutrons have to do with the story?
 * What is "nuclear waste reprocessing"?
 * What would constitute evidence that a country was pursuing nuclear weapon development?