Social Networking Facebook has become a trend among teenagers, therefore can be used as an alternative learning media physics. By using Facebook as a learning media physics is expected to reduce the strains of student learning so that get a satisfactory student learning outcomes. The purpose of this research is to describe the student's response to the implementation of the learning model Just-In-Time Teaching (JITT) with Facebook media on heat transfer topic. To get the laboratory data used questionnaires response students. Based on the results of questionnaires response students to the learning model JITT with Facebook media including the criteria that both positive statements the percentage of the average students select agree as much as 70.7%. This provides the opportunity in the world of education in Indonesia especially to develop social media-based learning.