One part of the tridharma of higher education is community service. One example of community service activities is Student Work Lectures or KKM. In KKM activities, there are several work programs that must be carried out and divided into each sector. Like the religious sector, in realizing the work program in the religious sector, KKM Group 72 UNIBA held an open donation activity for compensation for orphans at Link. Sumur Jaya RT/RW 04/02 Tamansari Village. After the donations were collected, they were then handed over to the local Risma administrators to be given to them. to orphans.

 The lava lamp exercise with the children of kebonsari urban village, citangkil sub-district is a fun and educational activity that involves making simple lava lamps using materials easily found at home. This study aims to explore the children's experience of the lava lamp experiment, and its impact on their understanding of basic chemistry concepts, and chemical interactions. Through a teaching approach based on simple science experiments and participatory observation, children were given the opportunity to experiment with a mixture of oil, water, and coloring agents to create interesting visual effects in their own lava lamps. The results showed that this practice not only increased children's interest in science, but also strengthened collaborative skills, and understanding of basic experimental concepts. This experiment highlights the importance of experiential and interactive learning approaches in developing childrens I nterest in science.