IJSRP, Volume 9, Issue 11, November 2019 Edition [ISSN 2250-3153]
A Hanum, U Azizah, S E Cahyaningrum
Critical thinking skills are one of the high-order thinking skills that students need for survival living in the 21st century. Critical thinking skills are needed to solve various problems by questioning what they hear and reviewing certain thoughts. The aim of this research is to describe learning activity and students critical thinking skills through implementation of problem solving models on reaction rate materials.