Cheat sheet policy at your school?

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Discussion Overview

The discussion revolves around the policies regarding the use of cheat sheets in physics courses at various educational institutions. Participants share their experiences and opinions on the necessity and effectiveness of memorizing formulas versus understanding underlying concepts, particularly in high school and college physics classes.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • Some participants express concern about the difficulty of memorizing a large number of physics formulas, with one noting the challenge of 30-50 different formulas in a high school course.
  • Others suggest that many college courses allow open book exams or provide cheat sheets, especially in advanced classes.
  • Several participants emphasize the importance of understanding concepts over memorizing formulas, arguing that a solid grasp of the underlying principles can aid in deriving necessary equations during tests.
  • One participant mentions that universities do not have a universal policy on cheat sheets, leading to variability in different classes.
  • Some participants recount personal experiences where exams with cheat sheets were more challenging, suggesting that instructors may adjust the difficulty based on the availability of resources.
  • There are differing opinions on the effectiveness of memorization versus derivation, with some advocating for deriving formulas from concepts rather than rote memorization.
  • One participant notes that while cheat sheets can be helpful, they may lead to students relying on them excessively, potentially impacting their understanding of the material.
  • Concerns are raised about the nature of standardized testing, with some participants questioning the value of memorizing formulas when formula sheets are provided during actual tests.

Areas of Agreement / Disagreement

Participants generally do not reach a consensus on the best approach to learning physics formulas, with multiple competing views on the effectiveness of memorization versus understanding concepts. The discussion remains unresolved regarding the optimal strategy for students facing a large number of formulas.

Contextual Notes

Some participants highlight that the difficulty of deriving certain equations can vary significantly depending on the topic, suggesting that the approach to learning may need to adapt based on the specific content being studied.

  • #31
cyrusabdollahi said:
Like I said, maybe for physics 1, or 2. After that, nope. There are no more 'simple derivations'.
Maybe you don't have simple derivations, but to take upper level electrodynamics and mechanics courses, for example (what I'm doing this semester), it's not hard to recall Maxwell's Equations or the Euler-Lagrange Equation if you've worked at least a minimum of problems.

Take a look at the back of Griffiths, for example. Most of what you need to solve an electrodynamics problem is right there, and those equations are all pretty basic.

I won't foolishly say there is no need for references on exams, since sometimes there is absolutely that need, but to claim that there are not "simple derivations" in advanced physics is misleading. There may not be simple derivations, but there are still simple results that should not be too hard to recall.
 

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