Since Widodo, Duit and Muller (2002) addressed that there is a gap between teacher's theoretical knowledge and their practical classroom constructivist behavior, we presented a sample teaching activity about Endothermic-Exothermic Reactions for teacher usage. Therein, the aim of this study is to design a 5E model to include students' alternative conceptions using conceptual change text, analogy and worksheet together. The aim of this study is to design a 5E model to include students' alternative conceptions using conceptual change text, analogy and worksheet. Also, we have made some suggestions for further research. (Contains 2 tables.)