The Development of Alternative Energy Simulation Tools to Improve Critical Thinking Skills at Global Warming Materials

Abstract

This research aims to the characteristics and feasibility of Alternative Energy Simulation (ASEA) Teaching Aids, also to analyze the effectiveness of ASEA props to improve students' critical thinking skills in global warming material. The research method is Research and Development method from Thiagarajan, this research is restricted until Develop phase only. The result of validation got percentage 93.89% for media validation and 95.45% for material validation with eachof the criteria was very feasible. For the limited trials, 32 students from VII D SMP N 37 Semarang were given the treatment, with percentage of increasing critical thinking skills 50% moderate and 50% which mean that the Alternative Energy Simulation (ASEA) teaching aid was effective to be used in the science learning process