“…A phenomenon-based e-module is one of the teaching materials in the form of a module that is packaged in digital form, of which module consists of texts, images, animations, and videos that are arranged systematically. It consists of activities, namely observing phenomena, compiling provisional explanations, investing/investigating, compiling final explanations, and providing reasons (Islakhiyah, et al, 2018); furthermore, there are indicators of critical thinking based on Robert H Ennis in (Hidayat, et al, 2016), i.e. focusing questions, analyzing arguments, answering questions that require explanation, considering the truth of the source, concluding, inducing, creating, and determining the results of the considerations, defining terms, and considering definitions, identifying assumption, and determining action.…”