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Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion
written by Brant E. Hinrichs
After learning Newton's 2nd Law, students in a university modeling-based introductory physics class are asked to imagine a box sliding across a floor and slowing to a stop. Although they've had extensive experience with friction in the context of energy, this is their first exposure to friction within the context of force. They are asked to make different representations for this scenario, including a system schema, and force diagram. During their small group work, students quickly run into a difficulty: there are only two interactions with the box (contact, gravitational), so there should only be two forces, yet the box is slowing, which means it must have unbalanced forces in the direction of acceleration. In this paper, preliminary evidence from a student-led whole-class discussion is presented showing how the group reasons through sharp disagreement in their initial ideas to come to a useful consensus.
Physics Education Research Conference 2013
Part of the PER Conference series
Portland, OR: July 17-18, 2013
Pages 181-184
Subjects Levels Resource Types
Classical Mechanics
- Applications of Newton's Laws
= Friction
Education - Applied Research
- Active Learning
= Modeling
- Classroom Management
- Learning Environment
Education - Basic Research
- Behavior
= Social Interaction
- Cognition
= Cognition Development
- Communication
= Speaking
- Student Characteristics
= Skills
- Lower Undergraduate
- Reference Material
= Research study
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- Researchers
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Format:
application/pdf
Mirror:
https://doi.org/10.1119/perc.2013…
Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution 3.0 license. Further distribution of this work must maintain attribution to the published article's author(s), title, proceedings citation, and DOI.
Rights Holder:
American Association of Physics Teachers
DOI:
10.1119/perc.2013.pr.033
PACSs:
01.40.Fk
01.40.gb
01.50.F-
Keywords:
PERC 2013, board meeting, discourse management, socio-physics norms, system schema, whole class discussion
Record Cloner:
Metadata instance created January 30, 2014 by Lyle Barbato
Record Updated:
January 30, 2014 by Lyle Barbato
Last Update
when Cataloged:
December 16, 2013
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Record Link
AIP Format
B. Hinrichs, , presented at the Physics Education Research Conference 2013, Portland, OR, 2013, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683).
AJP/PRST-PER
B. Hinrichs, Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion, presented at the Physics Education Research Conference 2013, Portland, OR, 2013, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683>.
APA Format
Hinrichs, B. (2013, July 17-18). Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion. Paper presented at Physics Education Research Conference 2013, Portland, OR. Retrieved December 10, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683
Chicago Format
Hinrichs, Brant. "Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion." Paper presented at the Physics Education Research Conference 2013, Portland, OR, July 17-18, 2013. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683 (accessed 10 December 2024).
MLA Format
Hinrichs, Brant. "Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion." Physics Education Research Conference 2013. Portland, OR: 2013. 181-184 of PER Conference. 10 Dec. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683>.
BibTeX Export Format
@inproceedings{ Author = "Brant Hinrichs", Title = {Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion}, BookTitle = {Physics Education Research Conference 2013}, Pages = {181-184}, Address = {Portland, OR}, Series = {PER Conference}, Month = {July 17-18}, Year = {2013} }
Refer Export Format

%A Brant Hinrichs %T Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion %S PER Conference %D July 17-18 2013 %P 181-184 %C Portland, OR %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683 %O Physics Education Research Conference 2013 %O July 17-18 %O application/pdf

EndNote Export Format

%0 Conference Proceedings %A Hinrichs, Brant %D July 17-18 2013 %T Sharp Initial Disagreements Then Consensus in a Student Led Whole-Class Discussion %B Physics Education Research Conference 2013 %C Portland, OR %P 181-184 %S PER Conference %8 July 17-18 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13135&DocID=3683


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