In the age of "big data" science, data management is becoming a key information literacy skill for chemistry professionals. To introduce this skill in the undergraduate chemistry major, an activity has been developed to familiarize undergraduates with data management. In this activity, students rename and organize cards that represent "data files" associated with experiments they completed in a previous course. This activity reveals differences between the way novices (students) and experts (librarians and faculty) organize data and highlights the need for introducing students to best practices in data management.