The teaching method where students watch lectures at home and do “homework” in class with teacher guidance, inverting traditional instruction.
Chemistry Teachers’ Innovation
Colorado chemistry teachers Jon Bergmann and Aaron Sams popularized flipped classroom in 2007-2012. Students watched recorded lectures at home (at their own pace, rewinding as needed). Class time focused on problem-solving, experiments, and one-on-one help. The model went viral through educational conferences and their 2012 book.
EdTech Enabler
Khan Academy, YouTube, and learning management systems made flipped classrooms feasible. Teachers created video lectures or curated existing content. Students came to class having consumed foundational material, ready for application. Advocates claimed it maximized valuable face-to-face time for active learning rather than passive listening.
Mixed Results and Challenges
Studies showed mixed effectiveness—some students thrived, others struggled with self-directed home learning. Flipped classrooms assumed reliable internet access and quiet study spaces—inequitable for disadvantaged students. By pandemic, “flipped” became controversial when students were stuck with video lectures full-time. The model worked best as supplement, not replacement, for direct instruction.
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