<![CDATA[The rapid development of technology demands the world of education to continue to innovate to create engaging learning that meets the demands of the 21st century. However, preliminary studies in several elementary schools indicate that science learning still uses conventional student worksheets (LKPD) that are not yet able to encourage student activity, and the use of technology is still limited. This study aims to develop a STEAM-based E-LKPD using the Wizer.me platform to increase student activity and understanding. This study uses the Research and Development (R&D) method with the ADDIE model which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. Data were collected to measure the validity, practicality, and effectiveness of the developed product. The results of the validity test obtained a percentage of 97.5% for material experts, 95% for language experts, and 92.5% for media experts, the overall average value of validation obtained a percentage of 95% with the category "very valid". The results of the practicality test in three schools showed that teachers gave assessments between 95.8% and 100%, and students 94% to 95.1%, all in the "very practical" category. The effectiveness test showed an N-gain value of 0.69 (effective) at SDN 11 Pauh, 0.74 (very effective) at SDN 21 Bandar Buat, and 0.74 (very effective) at SDN 12 Padang Besi. Thus, the STEAM-based E-LKPD using the Wizer.me website was declared valid, practical, and effective to support science learning in grade V of elementary school.]]>
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