The Developing Scientific Explanations and Science Learning Achievement by Using Model-Based Instruction in the Topic of Materials and Matter of Prathom Suksa 4

Abstract

The purposes of this research were 1) to compare the level of scientific explanation ability of  Prathom Suksa IV students Nongprue School, Nakhonratchasima province  before and after learning through  model-based learning in the topic of  materials and matter; 2) to compare science learning achievement of Prathom Suksa IV students Nongprue School Nakhonratchasima province before and after learning through  model-based learning in the topic of materials and matter. The research sample consisted of  22 Prathom Suksa IV students studying in the second semester of the academic year 2020 at Nongprue School, Nakhonratchasima  province, obtained by purposive sampling. The employed research instruments were 1) a model-based learning lesson plan in the topic of materials and matter, 2) a scientific explanation of ability assessment form 3) a science learning achievement test. The data was analyzed using the content analysis, frequency, percentage and class normalized gain.

The results of the research were as follows: 1) the ability to create scientific explanations of all students before learning was at the improvement level. The post-learning, their scientific explanations abilities were increase, 7 students (31.82%) were at good level, 13 students were at fair level (59.09%), and 2 students were at improvement level (9.09%). 2) The students’ post-learning achievement was higher than the pre-learning counterpart, and the class normalized gain was at the medium level. (<g> = 0.31)