we discussed video clips and data of the solubility of calc

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ChemTeach An Innovative Program to Prepare
Prospective Chemistry and Physics Teachers

• Carol Fry Bohlin California State University,
  Fresno
• Professor and Director, Mathematics Science
  Teacher Initiative
• Gerald Bodily Fowler High School Doctoral
  Student, CSUF/UCD
• __________________________________________
• Building PRIME Partnerships for
• Teacher Recruitment and Retention in Math and
  Science
• Monterey, CA 6 March 2009

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Beginnings...

• Impetus
• Goal To strengthen the chemistry and/or
  physics knowledge of...
• current teachers without credential in chemistry
  or physics
• career changers who have at least a bachelors
  degree
• to prepare them to pass the CSETChemistry or
  Physics
• Funding  MSTI-Fresno (CSU Chancellors
  Office)

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RecruitmentThe Power of the Press
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Information Session
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Web Site
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Program Components

• 10 month program 21 June 2008-April 2009
• Optional university credit (NatSci) available
  at 60/unit
• 6-hour laboratory session every other Saturday
  (Modeling Instruction)
• Web-supported home study component
• Online activities and discussion forums
• Support through Moodle by online instructors
  (master teachers)
• Online and face-to-face assessments
• CSET and credential application fees covered by
  MSTI and TRP
• Students will take CSET on May 15 and/or on
  July 18, 2009

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Modeling Instruction

• Modeling Instruction has been guided by a
  Modeling Theory of Physics Instruction, the focus
  of educational research by David Hestenes and
  collaborators since 1980. Implementation through
  Modeling Workshops for high school teachers was
  supported by grants from the National Science
  Foundation from 1989 to 2005.
• Modeling Instruction in Physics was
  designated in 2000 by the U.S. Department of
  Education as one of the seven best K-12
  educational technology programs out of 134
  programs evaluated.Modeling Instruction in
  Physics was designated in 2001 by the U.S.
  Department of Education as one of two exemplary
  programs in K-12 Science Education out of 27
  programs evaluated.

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What Do We Mean by Model?

• ...with explicit statements of the relationships
  between these representations

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Multiple Representations

• ...with explicit statements describing
  relationships

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I - Model Development

• While in cooperative groups, students...
• design and perform experiments,
• use computers to collect and analyze data,
• formulate functional relationship between
  variables, and
• evaluate fit to data.

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Sample Moodle EntryFebruary 7, 2009
ChemTeach Lab Day at Fowler High School830 a.m.
- 300 p.m.Reaction Dynamics, Part 2

• We continued to examine the implications of the
  reversibility of reactions. Since
• We discussed video clips and data of the
  solubility of calcium hydroxide (determined by
  conductivity vs. mass added).
• We created exchange rules for the Equilibrium
  Game that would model some common types of
  changes. For example, solubility equilibrium
  (solid-dissolved), phase change equilibrium
  (gas-liquid and solid-liquid), gas-phase reaction
  equilibrium (all reaction constituents in the gas
  phase), solution-phase reaction equilibrium (all
  reaction constituents in solution)
• We learned how to predict the direction a
  reaction mixture would proceed to gain
  equilibrium...
• We discussed Le Chatlier's Principle and why it
  works. We found the affect of each 'stressor'
  (such as a change in pressure or concentration of
  one constituent) could be predicted based on the
  net affect of how it changes the forward and/or
  reverse reaction rates.
• We also learned to describe the equilibrium
  position using the empirically derived value,
  Keq, the equilibrium constant. This value is
  specific
• So the new equilibrium concentrations could be
  calculated (with some patience!) using a
  modification of our BCA table, the ICE (Initial,
  Change, Equilibrium) table, in combination with
  the expression for Keq...

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Questions?....
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(No Transcript)