<![CDATA[This study was motivated by the low IPAS learning outcomes of fourth-grade students at SD Negeri Nunbai, caused by the lack of technology-based media and teacher-centered instruction. This research aimed to examine the effect of interactive multimedia on transforming energy forms in improving students' learning outcomes. A quantitative approach with a pre-experimental One-Group Pretest-Posttest design was employed, involving 20 fourth-grade students. Data collection instruments included expert validation sheets, user response questionnaires, and multiple-choice cognitive tests. Data were analyzed using descriptive statistics, Paired Samples t-Test, and N-Gain score calculations via SPSS. The findings revealed that the interactive multimedia is valid according to material experts (87.50%) and media experts (84.50%), as well as highly practical based on teacher (4.70) and student (4.80) responses. A significant increase was observed in average learning scores, rising from 56.00 in the pretest to 82.50 in the posttest, achieving a 100% classical mastery rate. The Paired Samples t-Test showed a significance value of 0.000 < 0.05, accompanied by an average N-Gain score of 0.59 (medium category/moderately effective). Thus, interactive multimedia significantly and positively enhances fourth-grade students' IPAS learning outcomes.]]>
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