Theory about Newton's Law is considered difficult for students. Many students cannot solve Newton's Law’s problems caused they cannot understand the concept. Concept understanding requires complex learning by increasing students’ motivation. This study aimed to explore the relationship between students’ motivation through scientific argumentation skills and students’ learning outcomes on Newton's laws. This research was a non-experimental mixed-method study with an embedded-correlational research design. The subjects of this study were 32 students of Senior High School (SMA) Laboratory UM Malang (State University of Malang). The sampling technique used in the study was purposive sampling, specifically homogeneity sampling. The research instrument consisted of open-ended questions, semi-structured interviews, questionnaires, and document identification. The data analysis technique used was a partial correlation test for quantitative data and descriptive analysis through coding for qualitative data. The results showed that the quality of students' scientific arguments was most dominant at Level 2. The arguments consisted of claims supported by data. However, the students sometimes claimed incorrect understanding of Newton's Laws I and II. The results of the partial correlation test between motivation and scientific argumentation and student cognitive learning outcomes did not show any correlation. However, there was a positive effect.
The paper will clarify STEM education learning activity of the designing Moringa leaf tea. The STEM education learning activity will be developed based on Sutaphan and Yuenyong [17] the context-based STEM education learning approach. The activity will start from identification of social issue of designing the tea from the Moringa leaf that Indonesian people usually eat Moringa leaves as a vegetable. The issue of making a tea from moringa leaf could motivate students to design not only moringa tea but also various favor of teas, label or packaging. Then, the lesson plan will provide activities regarding on the 7 stages of Sutaphan and Yuenyong [17] the context-based STEM education in order to scaffold students to practice knowledge for designing some technology prototypes or products through engineer design process. For making something related to moringa tea, the lesson plan will provide students chance to practice integration of knowledge. These knowledges include chemistry (e.g. temperature, oxidation, basic measurement skills), Physics (e.g. heat transfer, energy), mathematics (e.g. the ratio of the ingredients, measurement skills, conversion of units), arts (e.g. creative packaging and presentation of their Moringa Leaf Tea and the flavor variant), and so on. This paper may have implications for designing STEM education learning activities.
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