Fall wk 9

1
Fall wk 9 Mon.29.Nov.04

• Welcome, roll, questions, announcements
• Review our work this quarter
• Looking ahead next quarter
• Portfolio and self-eval workshop
• Looking ahead this week

Energy Systems, EJZ
2
Seminar motivates science learning

• Questions/problems
• Are we running out of oil?
• Are carbon-based fuels hurting health and
  environment?
• Are greenhouse gases warming the Earth?
• Solutions?
• Alternate fuels for cars mass transport systems
• Nuclear or renewables for electricity
• H fuel cells?

3
Energy and Power

• What types of energy have we learned about?
• Energy transformations
• Ex Sun ? warm Earths water ? weather ?
  storms, wind power ? electricity ? toaster oven
• Energy systems
• Ex LNG to Evergreen ? burn in boilers ? steam
  ? heat rooms ? relaxed or alert students ?
  learning
• Equilibria and oscillations
• Equilibria where F0 or Uflat. Countless
  natural systems oscillate in approximate U x2
  wells.
• Energy comparisons

4
Energy comparisons
5
Energy data

• http//hyperphysics.phy-astr.gsu.edu/hbase/gaseng.
  html

6
Calculus facilitates richer analyses

• Three basic approaches to math problems
• Graphing (sketching relationships)
• Numerical approximations (calculators
  computers)
• Analysis exact solutions (algebra, trig,
  calculus)
• Differentiation
• Slope derivative rate of change
• Calculus invented for physics, e.g. variable
  forces
• Polynomials Trig

7
Your research projects go deeper

• In a series of workshops, independently, and with
  your team, you have by now
• Articulated a question you want to investigate
• Proposed several different hypotheses to possibly
  answer your question
• Researched articles and books on your question
• Planned how to test your hypotheses
• Next quarter, you will carry out your research.

8
Research presentations tomorrow
9
Looking ahead next quarter

• Electromagnetism
• How is electrical power generated and
  transmitted?
• Light, spectra, and quantum mechanics
• Sun, Earth, and Climate
• Earths climate and weather
• Effects of solar storms on Earth
• Role of the Sun in climate change
• We can use calculus to do more realistic physics
  now!

10
Calculus in winter quarter

• Using differentiation
• Optimization what is the most efficient
  relationship?
• Exponentials and logs calculating changes in
  growth
• Electromagnetism satisfies wave equation!
  (Maxwell)
• Integration
• Inverse of differentiation (Ex
  velocity?acceleration)
• Calculate totals for changing phenomena
• Electromagnetism Changing magnetic fields
  create electric fields (induction)

11
Portfolio and self-eval workshop

• Lets look at the guidelines linked to our
  homepage, and the pink worksheet
• Your portfolio sections and paragraphs
• Your self-evaluation
• Start with your eval prep sheet
• Integrate with your paragraphs
• Choose one or two good examples to DEMONSTRATE
  your learning

12
Looking ahead this week

• Tuesday
• Research presentations
• Wednesday
• Post your research exam Q on WebX
• Thursday
• Homework due, questions answered
• Get your final exam in class
• Potluck?
• Friday written exams due by 200
• Next Monday inQsit ESfinalQuiz due by 10 am