This study aims to describe changes in the conceptual science profile of elementary school students after using a modification of the concept acquisition model. The population in this study were fifth grade students at SDN Rungkut Menanggal II/583 Surabaya. The sample in this study was fifth grade students, amounting to 35 students. The study design uses one group pretest-posttest.

Keywords : Profile Changes, Science Conceptions, Modification Of Concept Acquisition Models