摘要:Abstract The Effects of Computer Based Science and Technology Education on Students' Attitudes, Master Learning Skills and Success were studied.The aim of this research is to investigate students' success, science attitudes and metacognition that is taught by means of the computer-assisted instruction. The study was designed according to the"pretest and posttest control group model". This research implemented in Kütahya in a Primary School. Sample of the research was selected from the 6th class total 142(72 experimental, 70 control) students. As measurement tools; Science Lesson Attitude Scale, Master Learning Skills Scale ,academic success test, demographical ınformation test that was developed by researchers were used . T-test and variance analyzing technics were used for analyzing the data in SPSS Program. As a conclusion, Computer-based education affect master learning skills, attitude, achievement of students' science learning Key Words: Computer- based education, Master Learning Skills, Science Teaching, Atitudes, Achievement.