This preliminary study aims at developing a program to improve teacher candidate students' conceptions on the topic of states of matter and their changes by using Predict-Observe-Explain (POE) strategy. This study employs pre-experimental method. The subjects involved were third-semester students of a primary school teacher education study program…

This paper discusses laboratory activities that can improve the meaningfulness of natural product chemistry course. These laboratory activities can be useful for students from many different disciplines including chemistry, pharmacy, and medicine. Students at the third-year undergraduate level of chemistry education undertake the project to…

Among three levels of chemical representation, the sub-microscopic level is the most difficult to learn by students. To solve the problem, it is assumed that the concept of the discontinuous nature of matter or particle concept should be mastered initially by students before they learn sub-microscopic representations of further chemical phenomena.…