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  1. 1. Ethics <ul><li>Mini-presentation </li></ul><ul><li>Tonight’s topic of ethics </li></ul><ul><li>Physics 11 (Systems) </li></ul>
  2. 2. Ethi cs <ul><li>2 parts </li></ul><ul><li>Homogeneous Groups (10 minutes) </li></ul><ul><li>Heterogeneous Groups (15 minutes) </li></ul>
  3. 3. P hysi cs 11 One of France’s 19 nuclear power plants.
  4. 4. Fission and Fusion <ul><li>Review </li></ul><ul><li>Use one word to describe each reaction </li></ul><ul><li>Why is fission so much easier to carry out? </li></ul><ul><li>Should we support the building of fission or fusion reactors? Why? </li></ul>
  5. 5. Recall: The C hain Reaction <ul><li>Moder ator </li></ul><ul><li>material which slows down the neutrons released from fission </li></ul><ul><li>Critical Mass </li></ul><ul><li>The minimum amount of substance that will sustain a chain reaction </li></ul>
  6. 6. Is FUSION the answer? <ul><li>Abundant fuels (deuterium in water, tritium from lithium in the earth’s crust) </li></ul><ul><li>Enormous potential energy 10g D + 15g T (30g Li) =energy for one person’s lifetime </li></ul><ul><li>Safe - fusion will terminate if conditions are not met </li></ul><ul><li>Environmental - no greenhouse gases, only the plant is radioactive and decays can be minimized to ~50 years </li></ul>
  7. 7. Systems Affected by/Affecting Nuclear Energy Research Systems Political Environmental Social/Ethical Economic Who lives near the plant? Who stands to earn the most money? Who suffers when there is an accident? Who decides who gets to build reactors?
  8. 8. Videos
  9. 9. Systems Activity <ul><li>Sit 4 to a table. Each person fills in their portion of the paper. You’ll have 1.5 minutes on each section. </li></ul>