At the end of the semester the students are typically burned out, busy with all of their final assignments, and in general do not perform as well on the last unit exam compared to the other three units. At Old Dominion University we teach addition to alkenes and alkynes in the last unit, a very … Continue reading Surprising Scores in Unit 4
Free Energy Diagrams Help Free Students from Memorization
Most organic professors can agree that we want our students to understand concepts and big pictures rather than memorize a list of facts. When determining the outcome or major product of a reaction, I’ve found that using free energy diagrams is a great way to facilitate concept based understanding over memorization. But despite their long-term … Continue reading Free Energy Diagrams Help Free Students from Memorization
Helping Students Learn How to Learn
I had been going through Ken Bain’s What the Best College Teachers Do with a new faculty member this semester. The overarching theme of Bain’s book is that the best college teachers are student-centered. These “best teachers” are constantly trying to get into students' heads to help them learn how to learn. It is not … Continue reading Helping Students Learn How to Learn
Is Learning Organic Chemistry like Learning a New Language?
Over the years, I've heard many organic faculty use the phrase: “Learning organic chemistry is like learning a foreign language.” I've certainly used the phrase myself to give advice to my own students, in an attempt to convey that both subjects are cumulative and require a lot of practice. This year, however, I find myself … Continue reading Is Learning Organic Chemistry like Learning a New Language?
Why a Mechanistic Organization Improves Understanding in Large Lectures
One of my favorite TV commercials is the AT&T, “Bigger is Better, It’s Not that Complicated” ad that features unscripted responses of elementary school children about why faster, bigger, larger, etc. is better. Unlike cell coverage, bigger lecture size is not necessarily better. Over the years, I have done a number of things to make … Continue reading Why a Mechanistic Organization Improves Understanding in Large Lectures
A Mechanistic Organization and Learning Synthesis: Having Cake and Eating It, Too
When I began teaching organic chemistry over twelve years ago, I adopted a traditional textbook organized according to functional group. The concept of organic synthesis was introduced in a short section in Chapter 4, as was retrosynthetic analysis. The intention, I think, was good: with these aspects of synthesis introduced early, students would incorporate new … Continue reading A Mechanistic Organization and Learning Synthesis: Having Cake and Eating It, Too
Three Lessons from Student Exams
The advantages of Joel’s approach surfaced in the second semester of the first year I taught a mechanistically organized course while using Joel’s manuscript instead of a traditional textbook. Student experience on exams demonstrated to me three points: I had unwittingly expected students to memorize organic chemistry instead of think mechanistically; the focus on mechanisms … Continue reading Three Lessons from Student Exams
Predicting the Products of an SN1/SN2/E1/E2 Competition
When I teach nucleophilic substitution and elimination reactions, I find that students typically have very little trouble drawing each mechanism and predicting the products, so long as they are specifically told which reaction. But many students find one aspect very challenging: predicting the winner of an SN1/SN2/E1/E2 competition. In my first few years of teaching, … Continue reading Predicting the Products of an SN1/SN2/E1/E2 Competition
On Nomenclature
In my first few years as a professor, I taught nomenclature in the way it was organized in the textbook I was using at the time—i.e., according to functional group. Each time my class began a new functional group chapter, I would teach aspects of nomenclature associated with that functional group. Indeed, I found this … Continue reading On Nomenclature
A Story Worth Telling
I have been teaching organic chemistry at Jefferson Community & Technical College (JCTC) in Louisville (KT) since 1994. Although we are an open-enrollment institution, with a class size of thirty students or less, the chemistry classes at JCTC resemble those at a small liberal-arts college. I met Joel Karty in 2005 at a conference. We … Continue reading A Story Worth Telling