The aim of this study is to determine the effect of variables such as gender, class and parental education level, family income level on motivation levels of students to learn science and do research, performance, communication, collaborative work and participation. The study group of the study was in the 2015-2016 academic year, public schools in 5th, 6th, 7th and 8th grades. And it consists of 400 students studying in 8th grades. In order to collect data, "Motivation Scale for Learning Science" developed by Dede and Yaman (2008) was used. [This chapter was published in: I. Dokme and S. Benzer (Eds.), "Special Topics In Science Education Research" (pp. 117-129). Ankara, Turkey: Akademisyen. (ISBN 978-625-710-641-2)]