The purpose this study was to invesigate the effectiveness of applying experimental method based scientific approach, to remediated students\u27 misconception about vibration material in grade nine Junior High School 8 Pontianak. The methode used was pre-experimental design with one-group pretest posttest design wich research sample of 36 students. Based of data analysis it is found that a decline in the average percentage of students misconceptions each concept about 55.83%. The calculation of McNemar test showed a change students\u27 conceptions from misconceptions becomes unmisconceptions significantly. Remediation by applying the experimental method based scientific approach is effective to improved student misconceptions about vibration material in grade nine Junior High School for each concept with an average effectiveness rate is 0.74 (relatively high)
