<![CDATA[This study aims to determine the level of validity of PowerPoint presentations in the context of Jumiang Beach on ecology and biodiversity material. This study applies a quantitative descriptive approach that focuses on the validity test [material experts and media experts]. The subjects in this study were two science education lecturers at Trunojoyo University, Madura. The research instrument was a validation sheet for material experts, which measured aspects of the harmony and integrity of the material and clarity of presentation, while the validation sheet for media experts measured aspects of media design and relevance and usefulness of the media. Based on the validation results, the validity of the material from PowerPoint presentations in the context of Jumiang Beach obtained an average score of 95%, classified as very valid, while the validity of the media obtained an average score of 94%, classified as very valid. Thus, PowerPoint presentations in the context of Jumiang Beach can be applied as a relevant learning resource for students on ecology and biodiversity material.]]>
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