In scientific inquiry learning, within-task guidance tailored to the learner's domain knowledge and inquiry skill may be essential to promote intended learning outcomes. However, due to dynamic complexity across the timeline of inquiry learning, principles for designing tailored guidance are elusive. In this study, experienced tutors provided…

The authors teach in a large, urban school district in the Midwest and typically a few students have parents who work in the sciences. One year, the authors were fortunate to have the child of the owner and head brewer of a local microbrewery. That coincidence set the stage for a major collaboration to bring the real world of chemistry and biology…

This study sought to better understand how past science learning experiences affected preservice elementary teachers, both in terms of their own self-efficacy and their perceptions of science teaching and learning at the beginning of their science methods course. Following an explanatory sequential mixed methods design, this study first involved…

This paper investigates whether and how primary school students improve their epistemic understanding about a particular aspect of the nature of inquiry (NOSI), namely, the 'non-linear nature of inquiry' through an explicit-reflective or implicit instruction. The sample consisted of 30 5th grade students, who were randomly divided into two groups:…

In this paper, we propose a simple yet generic and versatile method to measure the position of a moving body as a function of time. Apart from very basic equipment such as carts and wheels, only a laser pointer or a similar device and a smartphone are necessary. By attaching a source of light to a cart and video filming its movement on a…

We consider the operation of the hypothetical mechanical vehicle driven by an engine powered by small rockets introduced by P D Hanstead in the inaugural volume of this journal. Hanstead arrived at three contradictory conclusions regarding the change in velocity should some of the rockets malfunction at a particular time. This thought experiment…

In this article, we propose a simple and accessible model of a magnetic levitator fitted with a Hall sensor. This model also allows to determine the magnitude of the magnetic field within the levitator working volume. Students can also compare the experimental magnetic field values to reference values in magnetism textbooks. This Arduino-based…

Pulse oximetry has become the standard of care in operating rooms, intensive care units, and hospitals worldwide. A pulse oximeter continuously and noninvasively monitors the functional oxygen saturation of hemoglobin in arterial blood (Sa[subscript O2]). Sa[subscript O2] is so important in medical care that it is often regarded as a fifth vital…

While previous literature finds many benefits to participation in undergraduate field courses, the mechanisms for how these benefits develop is still unknown. This study explores these mechanisms and any unique benefits of field courses by examining results from pre and post surveys about scientific literacy, future science plans, and motivation…

CRISPR is a technique increasingly used in the laboratory for both fundamental and applied research. We designed and implemented a lab experience for undergraduates to carry out CRISPR technology in the lab, and knockout the wing patterning genes "optix" and "WntA" in "Vanessa cardui" butterflies. Students obtained…

The aim of the present study was to explore the nature of visual representations in biology textbooks across five educational boards across Asia through quantitative and qualitative content analysis. Descriptive statistics was used during the quantitative analysis. Qualitative content analysis involved a deductive approach where visuals in these…

This study investigated the effect of dialogic practical work on students' attitudes toward physics. The sample of the study was 91 grade 11 secondary school students selected randomly from two schools in Bahir Dar town, Ethiopia. A quasi-experimental pretest-posttest between groups research design was used. The treatment group participated in…

This study assessed the knowledge, feelings, and life experiences of students in public middle schools in the Brazilian Amazon toward aquatic mammals by applying semi-structured interviews, with a qualitative-quantitative approach. A total of 241 students, from all genders, aged between 12 and 14 years old, from four public schools of Pará State…

Argumentation activities in the science classroom bring students' social relationships to the forefront, which can make it difficult for a student who is marginalized in peer relationships to participate in discussions. In this study, we qualitatively analyzed how a marginalized student's attempts to position himself as an accepted member of…

This research aims to design a sample Arduino-assisted robotics and coding activity in accordance with the 5E instructional model. Also, it aims to set an example for how technology is integrated into science courses, especially in the structuring of abstract and hard-to-understand concepts in science teaching. The activity provides guidance to…