Hubungan Bermain Balok dengan Perkembangan Kognitif Anak Usia 4-5 Tahun di RA Miftahul Ulum Tahun Ajaran 2017/2018

This research aims to increase children kognitif development at Playgroup of RA. Miftahul Ulum using project approach on early childhood environmental education. This research applied Kuantitatif research method to explore the project approach on environmental education as multidimensional approach in order toincrease children kognitif development at playgroup stage. The project approach is in-depth investigation to a topic which has three phases; 1) planning and getting started, 2) developing project, and 3) reflection and conclusion. This study involved collaborators and 15 children. Based on the data analysis, it can be concluded that the project approach on early childhood environmental education could raise children social-emotional development at Playgroup of RA. Miftahul Ulum. The percentage of children social-emotional development was 82,58% at the end of cycle-2, or it had increased 22,03% than before being given treatment. Furthermore, the children social-emotional development level especially in giving appreciatiation to others and borrowing or lending toys had raised to 86,7%, meanwhile the children ability to involved in big activity had reached 80%. From the 15 population who were being observed, there was no children with  the developmental level lower than 75%.The teacher activities on the effort of raising children social-emotional development was known with better result by average of  88,19% during the action research  was developed. Another finding in this study was that children activities during action research were going fairly dynamic. The variation of instuctional activity during the project approach in early childhood environmental education was giving children oppotunities to interact actively with their teacher as well as  their friend in order to develop their kognitif capability