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Spring2015, Physics 131, Reminder from 4-03 Training

Page history last edited by Kim Moore 8 years, 11 months ago

Reminders from 4/03 Training, for Lab 3, Part 3, week of 4/06

 

1) Recitation: Diffusion Examples (CRAC and Signal Relay) (Mon/Tues Sections) OR Pressure, Gases, and Fluids (Wed/Thurs Sections)

(You can direct them to these materials via the Recitation/Lab tab of the Course Webpage.)

Links: Cell polarization and activation & Relay cells

http://umdberg.pbworks.com/w/file/94614581/GasPhETtutorialv2.0.pdf

http://umdberg.pbworks.com/w/file/fetch/60868570/Pressure_TutorialAdapt_Recitation.pdf

 

(Break; Pass back graded Lab 2, if you have not yet done so....)

 

2)  Lab 3, Part 3

Link to documents: http://umdberg.pbworks.com/w/page/68933700/NEXUS%20Physics%20Labs%2C%202013-2014

 

*** I have sent students a reminder to come to Lab 3, Part 3 with their histograms finished and their videos 2 and 3 tracked (ready for building <r^2> vs. t plots for all 3 videos in Excel).  I have also included the list of technical and data-processing skills we expect students to have mastered before the start of Lab 4.

 

General structure:  The 3rd week of this lab is...

  • make the <r^2> vs t plots for all three videos (with error bars--usually done by standard deviation);
  • extract the diffusion constant, D, from the slope of the best fit line (since <r^2> = 4D * t);
  • make an argument for the form of the diffusion constant, D--from the data (not always easy, requires reconciling conflicting info), from the dimensional analysis, and from the viewpoint of physical mechanism;
  • poster presentations; and
  • finalize report.

 

a) Lab reports due this week--remind students at the start of lab. 

 

b) Kim would like to scan the labs!  Please bring these by 1322 when your lab has ended.  Kim'll scan these and get them right back to you.

 

c) Think through how you would like the class data sharing/discussion to work.  Also think through how you want the presentations/poster session to work.  You have some freedom of choice, here, so think through your options and walk in to lab with a plan in mind.  Communicate what you want students to be doing in a clear manner and give them a chance to ask questions. 

 

d) Remember to leave the lab room in a neat, organized shape for the next TA and section of students.

 

e) If you have not yet read (or need to re-read) the Intro to Error Propagation, please do so! (Link: TechnicalDocument_IntroToErrorPropagation.pdf )

 

Email me if you have any other questions!

~KIM

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