Although diffusion is the subject of beginning chemistry classes, there are a variety of experiments, such as the spread of perfume in the classroom, that are often "incorrectly" explained by diffusion alone. To eliminate this common misconception, a recently published method is modified to determine the diffusion constant of hydrogen…

This communication shows that although some textbooks do not discuss how to apply Raoult's law to electrolyte solutions, we should not ignore dissociation, and the van't Hoff factor must be considered.

Contemporary secondary science education is characterised by a greater inclination towards the constructivist paradigm of education and the development of inquiry-oriented teaching. The basic principle of this paradigm is the dynamic modification of preconceptions towards the desired level given by the school curriculum. This places particular…

In basic education in Brazil, there is often confusion concerning the relationship between the greenhouse effect and global warming. The present work evaluates the status of research on this issue. A systematic literature review (SLR) was undertaken, considering studies published between 2013 and 2024, obtained using the databases CAPES Journal…

The importance of genetic diversity, especially within small populations of endangered species, is becoming increasingly apparent. Genetic engineering techniques that could potentially enhance diversity are now being developed. However, the use of such techniques would require social licence and yet within the general population there is limited…

Even though genetics has been implemented in biology curricula at secondary schools for decades, reports repeatedly indicate that students still hold various misconceptions about this topic. To successfully target these misconceptions, we need to know their nature and origin. We aimed to investigate these properties in the Czech educational system…

This study examines prevalent misconceptions among students regarding the fundamental concepts of acids and bases, which often arise during the learning process. This study aims to pinpoint misconceptions held by preservice science teachers in the realm of acids and bases; 117 university students from diverse educational backgrounds, enrolled in…

Ionization of amino acids (AA) is very important concept in biochemistry. We integrate the mathematical concept of probability with biochemically relevant process of AA ionization. We visualize the ionization process with Mathematica software discussing intramolecular interactions between weakly acidic/basic functional groups and charge--pH…

The vast majority of well-informed philosophers of science and scientists who are clearly (uncontroversially) scientists are able to extensionally differentiate between almost all scientific and non-scientific practices, disciplines, theories, attitudes, modes of procedure, etc., and do so or would do so in much the same way. This legitimately…

In physics education, a number of studies have developed assessments of teachers' knowledge of student understanding (KSU) of specific physics concepts with modified versions of existing concept inventories, in which teachers were asked to predict the popular incorrect answers from students. The results provide useful but indirect information to…

This article outlines the results from the research on primary and secondary school pupils' conceptualisation of microorganisms. It has been observed from the past few decades that one conceptual model is dominant, in which microorganisms are considered harmful, disease-causing and living in dirty environments. These misconceptions are only likely…

The complexity of gear concepts, often misunderstood by young children, highlights the need for educational frameworks beyond simple play. To examine the effects of using the prediction, observation, and explanation (POE) model in building block activities, a true experimental design was implemented. A total of 49 preschoolers were randomly…

An investigation was conducted into the common misconceptions in chemical equilibria, adopted by a sample of UK secondary school students. These included the characteristics of a dynamic equilibrium, the nature of the reactants and products at equilibrium, as well as the effect of conditions and catalyst on equilibrium. Suggestions for improved…

Many high school and first-year university courses include discussion of the magnetic effect of currents. Frequently discussed textbook examples include long, straight wires, circular current loops, and solenoids, partly because these examples are tractable mathematically. The solenoid naturally leads to discussion on magnetic materials since it…

Some of the online explainer videos for physics present misconceptions as scientifically correct explanations. Even so, some of these videos achieve good ratings on online platforms. A possible reason is that explainer videos with misconceptions foster an "illusion of understanding"--the mistaken belief that a topic has been understood.…