The aim of the present study is to determine classroom teachers opinions towards positive and negative aspects, teacher expectations and difficulties that teachers have about the altered science course and that it is started to be offered in third grade level. The study was conducted with phenomenology design, which is one of the qualitative study patterns. The sample of the study was determined as 14 primary school third grade classroom teachers working in central schools in Mugrul and Borcka towns of Artvin province. The fourteen classroom teachers were interviewed with semi-structured interviews. The formed data set were analyzed with content analysis, which is a technique categorizing the text with pre-determined codes and explanation of systemically repeated expressions it was determined that the teachers also face with difficulties such as; lackinformation about using laboratories, absence of a guide book and workbook, insufficient material and tool, absence of consolidation activities and etc.Accordingly, it is considered that developing elaborate guide and workbooks will have significant effect on overcoming the weaknesses of the course. of