<![CDATA[This study addresses the challenges of learning thermochemistry, which is often difficult for students due to abstract concepts and complex computational requirements. To resolve issues related to low engagement and high misconception rates, this research developed a Higher Order Thinking Skills (HOTS) based e-module integrated with the Discovery Learning model using the 4D development framework. The e-module was designed as an interactive flipbook utilizing Canva and the Heyzine platform. Results demonstrate that the e-module is highly feasible, with validation scores of 3.32 from media experts and 3.31 from material experts. Response tests yielded very positive ratings from both teachers and students, highlighting its usability and engaging visual design. Implementation significantly improved learning outcomes, as the student mean score rose from 37.57 to 86.52, achieving a Normalized Gain of 0.79, which is categorized as high effectiveness. This success is attributed to the integration of Discovery Learning syntax, which encourages students to construct knowledge independently. By combining digital technology with HOTS-oriented tasks, this e-module serves as an effective instructional tool that successfully bridges the gap between theoretical chemistry and real-world applications in 21st-century education.]]>
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