<![CDATA[The aim of this study is to improve students' learning outcomes on the topic of the atmosphere by implementing the Problem-Based Learning (PBL) model supported by Padlet media in Class X-F of SMA Negeri 1 Probolinggo. The study discusses low student participation and poor learning outcomes in geography, particularly on the atmosphere topic, which is often considered challenging. A Classroom Action Research (CAR) design was employed, conducted in two cycles comprising planning, action implementation, observation, and reflection phases. Moreover, data were collected through observation, documentation, and learning outcome tests, and analyzed by using descriptive quantitative methods. The shows a significant improvement in students' learning outcomes. The average score increased from 56 in the pre-cycle to 79 in the first cycle and 88 in the second cycle. Similarly, the percentage of students achieving mastery increased from 11% in the pre-cycle to 74% in the first cycle and 86% in the second cycle. Furthermore, the combination of PBL and Padlet media effectively enhanced student engagement, participation, and understanding of the atmosphere topic. Therefore, it can be concluded that implementing PBL with Padlet created a more engaging and effective geography learning environment while fostering students' critical thinking and problem-solving skills. These results suggest that interactive media like Padlet can be an essential tool in modern educational practices, particularly for complex subjects such as geography.]]>
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