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Learning materials offer students and teachers valuable assistance in physics lessons. This article was aimed at developing and evaluating interactive multimedia learning materials that are equipped with games in Linear Motion and Newton's Laws for improving critical thinking skills. The evaluation consists of an expert review, based on grades from four experts, practicality testing by 30 students, and effectiveness testing concerning students' critical thinking skills after they have used interactive multimedia learning materials. Thus, the research result shows that interactive multimedia learning materials are valid, practical, and effective. Based on this result, it appears that interactive multimedia learning materials can enhance students' critical thinking skills.
Djamas et al. (Wed,) studied this question.