This study aims to produce chemistry questions based on high order thinking skills on electrolyte and non-electrolyte solution materials that are valid and reliable, as well as to determine the level of difficulty and distinguishing power of the questions that have been developed. The development model used in making this question is the McIntire development model. The data collection methods u…
This experimental study aims to determine whether there is an effect of applying the Problem Based Learning model on student learning outcomes. The research was conducted at SMA Negeri 1 Simpang Teritip on March 10-30 May 2021. The samples used as much at two classes, using a quasi experimental design method with a nonequivalent control group design type. The technique of analysis data are the …
This study aims at produce a product chemistry practicum procedure green chemistry based of colligative properties of solutions topic which was produced had fulfilled the valid, practical, and effective criteria. The development models used was ADDIE development model which includes the analysis, design, development, implementation and evaluation modified with formative tessmer evaluation which…