Day 26 in SCI110: Seasons and Weather

Spring 2006 Schedule
Last time:
- Choice of cities for meteorology study
- Exam 3
Today:
- Discussion of exams
  - mean: 103
  - sd: 14
  - I'm going to curve it: the best exam was a 124.5, so we'll curve it to that. Your score, then, is (score*100/124.5).
  - Total points would be score*150/124.5
- Homework:
  - If you're going to do a ppt for your final presentation, that needs to be to me by next time (Wednesday)
  - Final projects are scheduled for next week: who will go early (before I have to assign some)?
  - Do your weather readings!
- Cities for weather collection
  - Cities chosen
  - Discussion of cities for weather collection
    - Map symbols and wind barbs
    - Visit http://ww2010.atmos.uiuc.edu/(Gh)/guides/maps/sfcobs/wnd.rxml for a description of wind barbs
    - Barometric pressure (see p. 374)
  - Weather presentations
    - present your data, and
    - if you can, describe the general climate and meteorology of your adopted city throughout the year
    - Make your weather forecast for today
- The Earth's journey through space -- why are there seasons?
  - How do we know that the Earth is round like a ball?
  - How do we know that the Earth's axis is spinning?
  - How was the radius of the Earth first calculated (Eratosthenes)?
  - How do we know that the Earth's axis is tilted?
    - Equinoxes
    - Solstices
    - The north star (and precession)
  - Tim and Moby explain seasons
  - Using a lamp and a globe....
  - p. 67 -- why are there seasons?
  - Tim and Moby film festival -- weather
    - T-n-M weather
    - T-n-M weather, advanced
  - Worksheet
    - pp. 68-69 -- UIUC site for meteorology information and Larry Giesmann's weblinks (these may be helpful as you prepare for the final exam!)
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