Many types of batteries power an ever-growing number of devices. Electrochemical devices like batteries and fuel cells can, in principle, exceed Carnot efficiency for energy conversion. In this novel laboratory experiment, students explore the partitioning of the enthalpy change of a battery's electrochemical reaction between useful electrical…

Recent advances in spectroscopy and computational chemistry facilitate the introduction of current spectroscopic and computational methods at the undergraduate level. Students obtain and analyze experimental and calculated vibrational spectra (infrared and Raman) of a set of alkyne molecules to determine the role of symmetry with respect to gross…

This issue of "Assessment Update" presents the following articles: (1) Assessment in Postsecondary Chemistry Education: A Comparison of Course Types (Rebecca E. Gibbons, Jessica J. Reed, Shalini Srinivasan, Sachel M. Villafañe, Emily Laga, Joshua Vega, Kristen L. Murphy, and Jeffrey R. Raker); (2) Beyond Reading, Writing, and Arithmetic:…

We have developed an integrated, project-oriented curriculum for undergraduate molecular biology and biochemistry laboratory courses spanning two semesters that is organized around the "ldhA" gene from the yogurt-fermenting bacterium "Lactobacillus bulgaricus," which encodes the enzyme d-lactate dehydrogenase. The molecular…

To test the hypothesis that adding course structure may encourage self-regulated learning skills resulting in an increase in student exam performance in the community college setting, we added daily preclass online, open-book reading quizzes to an introductory biology course. We compared three control terms without reading quizzes and three…

Instructors communicate what they value about students' written work through their comments and feedback, and this feedback has the potential to direct how students approach writing assignments. In this study, we examined how graduate student teaching assistants (TAs) attended and responded to students' written lab reports in an introductory…

A simple and reliable didactic laboratory has been developed to illustrate fundamental concepts of hydrophilicity, hydrophobicity, wetting, and spreading phenomena for undergraduate students. The described laboratory includes preparation of surfactant solutions at different concentrations and applying droplets of these solutions on a hydrophobic…

Although the potent effects of cation-p interactions for stabilizing protein structure and binding ligands to proteins have been reported in the chemical literature for over two decades, there are no undergraduate biochemistry textbooks covering this important noncovalent attractive force. In an attempt to remedy this situation, this primer…

Several active-learning pedagogies involve groups of students working together to construct their own understanding of course content. In these classrooms, the instructor serves as a facilitator of learning, by interacting with every group, engaging students in discussions, answering questions, and providing formative feedback. This type of…

Collaboration between chemistry lecturers and literacy lecturers led to the development and implementation of an interdisciplinary project with the object of addressing two pertinent challenges in chemistry education. The first challenge is the tendency of students to approach different topics in science as separate units of knowledge, which…

The Participatory Action Research (PAR) model developed by Eilks and Ralle is very well known in science education. Over the years, many teaching and learning materials have been developed and implemented in German secondary schools using this method. The success of the model encouraged us to adapt it to the university level in order to develop…

As described by the National Research Council, science practices reflect, in part, the way science is done. When researchers are developing an explanation for a phenomenon, they are using a combination of knowledge and skills reflected in the science practices. Laboratory-based chemistry courses provide the opportunity for students to move beyond…

An assessment was developed using entries from the macromolecular Crystallographic Information File that was given to students in an upper level bioinformatics class at the end of the semester during a 2½ hour time period. Although all students completed the same questions, they were assessed on an individual protein they had worked on during the…

For decades, formative assessment has been identified as a high-impact instructional practice that positively affects student learning. Education reform documents such as "Vision and Change: A Call to Action" expressly identify frequent, ongoing formative assessment and feedback as a key instructional practice in student-centered…

In the Fall of 2015 and in the 2016-2017 academic year, we conducted a two-week, team-taught, interdisciplinary module concurrently in an advanced biochemistry course, offered in the Chemistry and Biochemistry Department, and a sophomore-level environmental-ethics course, offered in the Religion Department, at Oberlin College. The focus of the…