摘要：The purpose of this study is to assign the misconceptions concerning the mass and
weight units. The study also aims to investigate how the students form these concepts according to
their grade (6.,7.and 8.class).A conceptual test containing multiple choice and open ended questions
was prepared and data which was obtained from this test was evaluated according to student's grade.
The results of this study revealed that the students in primary level have some misconceptions about
the units of mass and weight concepts.
关键词：Science education, concept, misconception, mass, weight, unit
