Potts, SE; Ali, S; (2018) Evaluation of a New Interactive First-Year Undergraduate Symmetry Coursework Activity. Presented at: Variety in Chemistry Education / Physics Higher Education Conference (VICEPHEC) 2018, Sheffield, UK.

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Abstract

Knowledge of symmetry operations and point groups in first-year undergraduate chemistry is crucial for the understanding of more advanced topics in later years, such as spectroscopy, group theory and crystallography. However, symmetry is an abstract topic and many first-years find it problematic, both in terms of understanding and engagement with the material. In particular, the visualisation of molecules in 3D and applying symmetry operations presents a key challenge for many students. We designed a new method of symmetry assessment for first-year chemistry undergraduates, which encouraged them to look at the symmetry of everyday objects (such as buildings, street furniture or household items) in addition to standard molecules. The participants uploaded photos of interesting objects they found to Moodle (UCL’s virtual learning environment) and, within small groups, they discussed the symmetry elements within them and came to a consensus on the objects’ point groups. With many everyday objects, there was room for debate (expected to encourage deeper learning), which led to a variety of point groups being proposed for the same object. Using pre- and post-coursework questionnaires and diagnostic quizzes, we evaluated this e-learning approach and compared the results with a control group (who did the standard coursework). The effectiveness of this activity and the next steps will be discussed.

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