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Showing 1 to 15 of 22 results Save | Export
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Petra Dunkel; Bence Kontra; Barnaba´s Gere; Vuong Tran; Zolta´n Kaleta – Journal of Chemical Education, 2025
A simple demonstration adaptable to classroom conditions is presented, which involves the preparation of raffle tickets using filter paper and the solution of selected fluorophores. With an appropriate dilution, the text written on the tickets is not visible to the naked eye; however, it becomes readable once put under a UV lamp. Besides being a…
Descriptors: Demonstrations (Educational), Chemistry, Science Education, Scientific Concepts
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Beytur, Solmaz Aydin; Yalmanci, Sibel Gürbüzoglu – Malaysian Online Journal of Educational Sciences, 2022
The main purpose of this study is to identify alternative concepts that students possess on the colour of blood and determine the strength of those concepts as well as the reasons for why students constructed them. The sample of the study consisted of participants who were selected from three different cohorts of students (i.e. middle-school,…
Descriptors: Middle School Students, High School Students, Preservice Teachers, Foreign Countries
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Hughes, Stephen; Alkhazraji, Sultan; Zhang, Xiangyu; Nadarajah, Helen; Goodwin, Candice Michelle; Leisemann, Scott; Evason, Chris; Potter, Darryl – Physics Education, 2021
Diffraction is an important phenomenon in physics. This paper describes using a scanning electron microscope (SEM) to produce cross-sectional images of iridescent seashells. When seashell cross-sections are viewed in a SEM, regular structure is seen. Seashells are a good example of a biocomposite material and good natural objects for introducing…
Descriptors: Physics, Science Instruction, Teaching Methods, Case Studies
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Aftenieva, Olha; Schletz, Daniel; Meyer, Antonia; Ku¨hne, Tino; Schmalzriedt, Sierk; Niethammer, Manuela; Ko¨nig, Tobias A. F. – Journal of Chemical Education, 2021
In contrast to a macroscopic solid, the color and spectroscopic properties of gold nanoparticles change with size. Here, we propose a teaching platform for high school students (hereafter defined as students, attending secondary school in Europe, preparatory high schools in the US, or any educational institution of a comparable level) that…
Descriptors: Science Instruction, Metallurgy, Color, High School Students
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Lustrino, Michele – Journal of Education and Learning, 2021
Every substance is associated to emission of electromagnetic radiation whose peaks are essentially influenced by temperature. Hot bodies (i.e., at T >700 °C) emit electromagnetic radiation in the field of visible light (incandescent light). The radiation emitted by cold bodies (i.e., at normal ambient conditions) in the visible light range is…
Descriptors: Physics, Scientific Concepts, Concept Teaching, Mineralogy
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Gallegos-Cázares, Leticia; Flores-Camacho, Fernando; Calderón-Canales, Elena – Canadian Journal of Science, Mathematics and Technology Education, 2022
This study presents an analysis of the incommensurability about the representations or models elaborated by children from an Indigenous community within three areas or cultural domains, namely, the ethnic, daily (domestic), and school domains and their implications in relation to science education. The children belong to an Indigenous Nahuatl…
Descriptors: Models, Indigenous Populations, Science Education, American Indian Students
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Susac, Ana; Planinic, Maja; Bubic, Andreja; Jelicic, Katarina; Ivanjek, Lana; Cvenic, Karolina Matejak; Palmovic, Marijan – Physical Review Physics Education Research, 2021
Recognition of interference and diffraction patterns is a difficult task for both high-school and university students. Many students fail to observe important features of particular patterns and identify the differences among similar patterns. In this study, we investigated if performing students' investigative experiments can help high-school…
Descriptors: Investigations, Experiments, Hands on Science, Optics
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Thysiadou, Anna; Gaki, Vaso – Journal of Technology and Science Education, 2021
The introduction of the computer into the educational process is a fact. The educational use of new technologies creates a new, more appealing and enjoyable learning environment. The introduction of new technologies into school differentiates the role of the professor by giving him/her a guiding character in a process of experiential approach to…
Descriptors: Instructional Effectiveness, Science Instruction, Chemistry, Scientific Concepts
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Shangguan, Chenyu; Gong, Shaoying; Guo, Yawei; Wang, Xia; Lu, Jiamei – Educational Psychology, 2020
Extending studies on emotional design in multimedia learning beyond college samples and further considering individual differences, we examined the effects of emotional design on middle school students' learning and whether this relationship is moderated by learners' prior knowledge, using a computer-based lesson covering the topic "the…
Descriptors: Emotional Response, Instructional Design, Multimedia Instruction, Middle School Students
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Haagen-Schützenhöfer, Claudia – Physics Education, 2017
The quality of learning processes is mainly determined by the extent to which students' conceptions are addressed and thus conceptual change is triggered. Colour phenomena are a topic within initial instruction of optics which is challenging. A physically adequate concept of white light is crucial for being able to grasp the processes underlying…
Descriptors: Physics, Science Instruction, Color, Scientific Concepts
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Tsivitanidou, Olia E.; Constantinou, Costas P.; Labudde, Peter; Rönnebeck, Silke; Ropohl, Mathias – European Journal of Psychology of Education, 2018
The aim of this study was to investigate how reciprocal peer assessment in modeling-based learning can serve as a learning tool for secondary school learners in a physics course. The participants were 22 upper secondary school students from a gymnasium in Switzerland. They were asked to model additive and subtractive color mixing in groups of two,…
Descriptors: Secondary School Students, Peer Evaluation, Feedback (Response), Physics
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Grusche, Sascha – International Journal of Science Education, 2017
Prismatic refraction is a classic topic in science education. To investigate how undergraduate students think about prismatic dispersion, and to see how they change their thinking when observing dispersed images, five teaching experiments were done and analysed according to the Model of Educational Reconstruction. For projection through a prism,…
Descriptors: Science Instruction, Physics, Learning Activities, Undergraduate Students
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Gime´nez, Javier – Journal of Chemical Education, 2015
The main objective of this work was to show the application of the study of ancient technology and science on teaching (and learning) chemistry in Chemical Engineering Undergraduate studies. Degradation patterns of pigments used in Ancient Egypt were incorporated in the syllabus of the course entitled "Technological and Scientific…
Descriptors: Science Instruction, Chemical Engineering, Technology, Undergraduate Study
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Villarroel, José Domingo – Journal of Biological Education, 2016
This study examines the drawings that elementary grade school children make on the subject of plant life. More specifically, the pictorial elements drawn by children are analysed together with their colour choices and the size of coloured surfaces. Furthermore, the results are put into perspective with the age of the children in the sample. The…
Descriptors: Young Children, Elementary School Students, Freehand Drawing, Plants (Botany)
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Morizot, Olivier; Audureau, Eric; Briend, Jean-Yves; Hagel, Gaetan; Boulc'h, Florence – Journal of Chemical Education, 2015
In this article, we present two concrete applications of the concept of the human element to chemistry education; starting with a course and experimental project on blue pigment synthesis and concluding with cross-disciplinary lessons and experiments on blue photography. In addition to the description of the content of these courses, we explore…
Descriptors: Science Instruction, Chemistry, College Science, Undergraduate Study
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