This study aimed to obtain the characteristics of students' mental models and the difficulties experienced by students while studying in schools in developing the ability of creative imagination. The number of samples involved in this study was 89 students of grade 11. The instrument used to achieve that goal were a test mental models in the form…

In this article, the authors describe a lesson that uses the 5E Learning Cycle to help students not only understand the atomic model but also how Ernest Rutherford helped develop it. The lesson uses Rutherford's gold foil experiment to focus on three aspects of the nature of science: the empirical nature of science, the tentativeness of scientific…

An understanding of the concepts of atoms and molecules is fundamental to the learning of chemistry. Any misconceptions and alternative conceptions related to these concepts which students harbor will impede much further learning. This paper identifies misconceptions related to the fundamental characteristics of atoms and molecules which Grade 12…