The purpose of this study is to produce a project integreted ethnosains with the topic of Faktor-Faktor yang Mempengaruhi Laju Reaksi at SMA Negeri 6 Prabumulih that is valid, practical and effective in supporting learning. The research method used in this research is development reasearch (Development Research) with the Rowntree development model and Tessmer evaluation. The subject of this stu…