<![CDATA[Objective: This study aimed to develop a Virtual Reality (VR)-based E-Book that is valid, practical, and effective in enhancing science literacy in elementary school students, specifically focused on the topic of the water cycle. Method: The research used a Research and Development (R&D) method with the 4-D model (Define, Design, Develop, Disseminate). The study was conducted with fifth-grade students at SDN Lontar II Surabaya. Data were collected through expert validation, observations of the lesson implementation, student response questionnaires, and science literacy tests. Results: The VR-based E-Book was found to be highly valid, with an average validity score of 92.5%. It was also highly practical, with a lesson implementation score of 93% and a positive student response rate of 91%. Additionally, the E-Book effectively improved science literacy, as evidenced by higher post-test scores compared to pre-test scores, with an N-gain of 0.73, indicating a high level of effectiveness. Novelty: This research introduces an innovative approach to science learning through the use of VR technology, providing an interactive and engaging way to teach complex concepts like the water cycle. The VR-based E-Book contributes to the development of technology-enhanced learning tools, offering a new media alternative for science education in elementary schools.]]>
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