Abstract
The shift to online learning has necessitated a critical re-evaluation of assessment methods in K-12 science education, particularly in secondary school physics. This paper explores the evolution of online assessment, its benefits, and the challenges it presents. It begins by situating assessment within the Technological, Pedagogical, and Content Knowledge (TPACK) framework, followed by an overview of traditional assessment methods in science education, highlighting their strengths and limitations. The discussion then transitions to online assessment, comparing its advantages with traditional approaches. Various online assessment tools and platforms available to educators are examined, along with key considerations such as technical challenges, academic integrity, and the preservation of meaningful learning experiences. Additionally, the paper discusses opportunities presented by online assessment, including the use of data analytics, enhanced formative assessment and feedback, increased student engagement, and personalized learning experiences. Finally, best practices and guidelines for designing effective online assessment tasks are provided, with a focus on faculty development and training needs. By framing this analysis within the TPACK model, the paper contributes to the growing body of research on online science education assessment, offering valuable insights for educators seeking to optimize their assessment strategies in digital learning environments.