Student's participation in the online physics learning is not known with certainty. Therefore, a research was carried out to determine student’s participation in online physics learning on dynamic fluid material of class XI SMAN 1 Sabak Auh. The location in research at SMAN 1 Sabak Auh, Kecamatan Sabak Auh, Kabupaten Siak. The participant in research were 40 students of class XI IPA SMAN 1 Sa…