research was conducted at SDN Pegadingan 1 in the 5th grade Natural Sciences subject of
heat transfer material contained in basic competencies 3.6. The method used in this
research is a research and development method using research and development steps
according to Sugiyono. Based on the feasibility test that has been conducted by a team of
material experts, design experts, and education experts, an overall average score of 89.06 …