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Direct linkRoche Allred, Zahilyn D.; Tai, Heeyoung; Bretz, Stacey Lowery; Page, Richard C. – Biochemistry and Molecular Biology Education, 2017
Students' understandings of foundational concepts such as noncovalent interactions, pH and pK[subscript a] are crucial for success in undergraduate biochemistry courses. We developed a guided-inquiry activity to aid students in making connections between noncovalent interactions and pH/pK[subscript a]. Students explore these concepts by examining…
Descriptors: Biochemistry, Science Instruction, Undergraduate Students, Interaction
Popova, Maia; Bretz, Stacey Lowery; Hartley, C. Scott – Journal of Chemical Education, 2016
Although stereochemistry is an important topic in second-year undergraduate organic chemistry, there are limited options for laboratory activities that allow direct visualization of macroscopic chiral phenomena. A novel, guided-inquiry experiment was developed that allows students to explore chirality in the context of cholesteric liquid crystals.…
Descriptors: Visualization, Molecular Structure, Teaching Methods, Organic Chemistry
Bindis, Michael P.; Bretz, Stacey Lowery; Danielson, Neil D. – Journal of Chemical Education, 2011
The high-performance liquid chromatography (HPLC) experiment, most often done in the undergraduate analytical instrumentation laboratory course, generally illustrates reversed-phase chromatography using a commercial C[subscript]18 silica column. To avoid the expense of periodic column replacement and introduce a choice of columns with different…
Descriptors: Plastics, Chemistry, Laboratories, Undergraduate Study
Fay, Michael E.; Bretz, Stacey Lowery – Science Teacher, 2008
As the upcoming school year approaches, many science teachers may be looking for new ways to incorporate inquiry in their classrooms. Fortunately, teachers have an array of inquiry activities at their fingertips. But with so many resources available, it can be challenging for a teacher to make an educated decision about which experiments to…
Descriptors: Science Teachers, Teaching Methods, Inquiry, Lesson Plans
Hutchinson, Kelly M.; Bretz, Stacey Lowery; Mettee, Howard D.; Smiley, Jeffrey A. – Biochemistry and Molecular Biology Education, 2005
A laboratory experiment for undergraduate biophysical chemistry is described, in which the acid concentration and temperature dependences of the decarboxylation of pyrrole-2-carboxylate are measured using a continuous ultraviolet (UV) spectrophotometric assay. Data collection and analysis are structured using principles of guided inquiry. Data…
Descriptors: Laboratory Experiments, Chemistry, College Science, Undergraduate Students
Sherlock Holmes and the Case of the Raven and the Ambassador's Wife: An Inquiry-Based Murder Mystery
Grove, Nathaniel; Bretz, Stacey Lowery – Journal of Chemical Education, 2005
An inquiry-based experiment on Sherlock Holmes adventure stories used to actively involve students in a series of laboratory experiments to prove the guilt of the accused murderer is presented. The result from such experiments showed that students were able to distinguish between sugar and possible poison.
Descriptors: Laboratory Experiments, Chemistry, Inquiry, Active Learning
