Application of Experimental Methods to Improve Learning Activities Learning in Science Class IV SDN 07 Tanak aims to describe an increase in physical activity, mental, and emotional in science learning with the experimental method to fourth grade students of SDN 07 Tanak district Kembayan the District. The method used in the study metide descriptive. The form used is descriptive research survey research. This research is a classroom action research (CAR). From the observations pre-action actively engage students on average reached 44.9% and increased to 78% in the second cycle. It can be concluded that the application of the experimental method can improve student learning activities in learning science class IV SDN 07 Tanak