摘要:This study was to determine the effect of the use of internet-based learning media in improving the scientific literacy skills of PGSD students.The method used in this study was pre-experimental with the research design of one group pretest-posttest.The population in this study were all IKIP Siliwangi PGSD students in the fourth semester of regular classes and non-regular classes with a total of 300 students.The sample in the study was regular class students with 38 students.The instruments used included tests,validation sheets and observation sheets.Research results show that the sig value.(2-tailed) 0,000 <0,05,it can be concluded that H0 is rejected and H1 is accepted.Thus there is a difference in the average scientific literacy ability between pretest and posttest and it can be concluded that the use of internet-based learning media can improve students'scientific literacy skills.Student observation data shows that learning using internet-based learning media can increase student activity with the percentage of 53.75% of active students and 46.25% of fasive students in learning.