This research follows the previous study examining the effect of chemistry education on students' perception and understanding to the nature of chemistry (NoC) as well as their attitudes towards it as a school subject. Grade 9 students (N = 282) at the end of their compulsory schooling were given a set of open-ended questions focused on their…

This study investigated the development of Bhutanese students' views of the nature of science (NOS) as they engaged in an explicit and reflective approach. Seven aspects of NOS were integrated into the chemistry content in two learning units titled "matter and its composition" and "study of gas laws" over a time span of 6 weeks…

Globalization, in the case of science education, leads not only to an increase in homogeneity but also to an increase in cultural encounters. In this study, researchers from 2 distinct cultures, South Africa and Finland, used a qualitative approach to probe student teachers' perspectives on chemistry education. Participants were 1st-year chemistry…

This article presents an instructional strategy called Premise-Reasoning-Outcome (PRO) designed to support students in the construction of scientific explanations. Informed by the philosophy of science and linguistic studies of science, the PRO strategy involves identifying three components of a scientific explanation: (i) premise--an accepted…

This paper reports on the design and enactment of an instructional strategy aimed to support students in constructing scientific explanations. Informed by the philosophy of science and linguistic studies of science, a new instructional framework called premise--reasoning--outcome (PRO) was conceptualized, developed, and tested over two years in…

The purpose of this study is to analyze 9th grade physics, chemistry and biology curriculums, which were implemented by the Ministry of Education since the academic year 2008-2009, in terms of scientific literacy themes and the balance of these themes and also to examine the quality of statements about objectives. Physics, chemistry, and biology…

We investigated the effect of the context-based approach on 9th grade students' conceptions of the Periodic Table. Within a nonequivalent pretest-posttest control group design the study was conducted with 80 grade 9 students (aged 15-16) drawn from two classes (39 and 41 students) in a high school in Turkey. The experimental group was exposed to…

Scientific literacy and authenticity have gained a lot of attention in the past few decades worldwide. The goal of the study was to develop various authentic assessments to investigate students' scientific literacy for corresponding to the new curriculum reform of Taiwan in 1997. In the process, whether ninth graders were able to apply school…