Experiential learning was introduced to support a child’s concept development towards evolution scientific literacy. This study examined the effect of an experiential learning model (The Mobile Natural Science Learning - MNSL) on the knowledge of 4th grade primary school students in Slovenia, during natural science school lessons at the seashore through the use of tablets. Mobile technology provides authentic learning, assisting outdoor lessons providing material and environmental context in learning, which support the experience of a learner. In the experimental group (N = 95), outdoor learning in the seashore included Kolb’s experiential learning cycle with the integration of tablets. In the control group (N=97), the teachers used concrete experience for exploring the seashore, excluding the Kolb’s cycle. The data were collected by using two science knowledge pre and post – tests. The test items were classified into three TIMSS’ cognitive domains: 1) factual knowledge, 2) conceptual understanding, and 3) reasoning and analysis. Differences between groups were analysed through Mann-Whitney U-test and showed that the experimental group had better learning outcomes than the control group. Findings indicate that the MNSL-model had a positive effect on students’ achievement in science, more precisely in knowledge on marine organisms and life at the seashore. Keywords: Kolb’s experiential learning cycle, natural science, outdoor learning, seashore

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For pupils to obtain high-quality and permanent knowledge, it is important that the teaching of scientific and technical contents is based on cognitive constructivist approach. We carried out a research, during which we asked three research questions, on a sample of 167 class teachers in the Republic of Slovenia. We wanted to find out: how often class teachers included elements typical of cognitive constructivist approach; was the frequency of using elements of cognitive constructivist teaching model linked to the teacher’s concern for their own professional development, and was the frequency of using elements of cognitive constructivist teaching model linked to the factors, such as the teacher’s estimated importance, difficulty and necessity of Science and Technics, the assessment of their own competence and professional enthusiasm. Data were collected with three scales: ways of teaching scientific and technical contents; attitude to scientific and technical contents and teaching and components of professional development. Data were processed according to descriptive and inferential statistics. The research showed that the formulation and verification of hypotheses, two important elements in view of cognitive constructivist teaching model, were less often represented. With statistically significant higher frequency they were organized by teachers, who rated their competence higher, were more enthusiastic and cared more about their professional development.