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Chiara Theresa Vey; Viola Kaygusuz; Josefa Sophia Kayser; Andreas Beyer – Biochemistry and Molecular Biology Education, 2024
As a rule, an experiment carried out at school or in undergraduate study courses is rather simple and not very informative. However, when the experiments are to be performed using modern methods, they are often abstract and difficult to understand. Here, we describe a quick and simple experiment, namely the enzymatic characterization of ptyalin…
Descriptors: Science Experiments, Human Body, Metabolism, Undergraduate Study
Hull, Michael M.; Nakayama, Shizuka; Tosa, Sachiko – Physics Teacher, 2023
Newton's laws are a ubiquitous topic in introductory physics instruction. One common problem involves asking what will happen if you stick your finger into a cup of water sitting on a scale. A way to solve the problem would be to first recognize that the water exerts a buoyant force upward on the finger, which students can recognize as being the…
Descriptors: Science Instruction, Physics, Scientific Principles, Concept Formation
Richard Brock; Keith S. Taber; D. M. Watts – International Journal of Science Education, 2024
Some descriptions of learning represent the process as the development of organisations of elements. Various organisations have been proposed, for example, schemata and conceptual structures. Such representations assume that mental entities, such as concepts, are sufficiently stable and differentiated to be treated as units. We discuss these…
Descriptors: Foreign Countries, Secondary School Students, Secondary School Science, Motion
Hernández, Irene Tovar; Vaquero, José Manuel – Physics Teacher, 2023
Old physics textbooks give us a great opportunity to learn about the history of science and rediscover different methods to teach physics to our students. There are many disused and forgotten experiments in them, but these can still be very useful to affirm and understand physics. This is the case of an instrument used in the 19th century to…
Descriptors: Science Education, Physics, Science History, Scientific Concepts
Williams, Hollis – Physics Teacher, 2021
The physical problem of a body of water in a tank that drains through a hole in the base is a classical problem that has been studied since at least the time of Torricelli. To fixate this in a student's mind, one could ask them to visualize a bathtub that is being drained through the plughole or a bottle being drained through a tap. This problem…
Descriptors: Science Instruction, Physics, Science Experiments, Secondary School Science
Yerzhenbek, Bulbul; Sydykova, Zhainagul; Zhadrayeva, Larissa; Zhumaliyeva, Lyazzat; Yessenova, Mariya – Cypriot Journal of Educational Sciences, 2022
Improving the education quality, its compliance with modern requirements is closely related to the assimilation of scientific concepts by schoolchildren, which is one of the most important components of the scientific knowledge element. The article aims to present a methodology for the students' formation of physical concepts. The stages of…
Descriptors: Concept Formation, Foreign Countries, Scientific Concepts, Physics
Lindén, Johan; Fogde, Anna – Physics Education, 2022
An ordinary soap bubble immersed in a pure carbon-dioxide atmosphere, created e.g. by sublimating chunks of dry ice (solid CO[subscript 2]), will expand within a few minutes to a volume exceeding the original one with a factor of almost ten. Considering that the bubble simultaneously experiences a cooling of ~30 ?C one would perhaps expect a tiny…
Descriptors: Science Instruction, Physics, Scientific Concepts, Science Experiments
D'Anna, Michele; Fuchs, Hans U.; Corni, Federico – Physics Education, 2021
A quantitative experiment where we measure the acceleration of spheres of radius "R" rolling on an inclined U-shaped profile of width "2D" is presented. For a given inclination, we examine the behaviour of four solid spheres having different diameters; in contrast to what is usually assumed to be the case, the experimental…
Descriptors: Science Instruction, Physics, Motion, Scientific Concepts
Pols, Freek – Physics Education, 2021
When a new topic is introduced in the curriculum, teachers seek various ways to teach students the related concepts. For the novel topic 'materials' in the revised Dutch curriculum, I developed an experiment in which students determine Young's modulus using a guitar string. The experiment not only covers several concepts related to 'materials' it…
Descriptors: Science Instruction, Teaching Methods, Physics, Scientific Concepts
Cross, Rod – Physics Education, 2021
Experimental results are presented on the collision of a superball with two different wood blocks. The results are in reasonable agreement with a simple collision model where kinetic energy is conserved, but better agreement is obtained if a small loss of kinetic energy is assumed, as observed. The physics is slightly more complicated than the…
Descriptors: Science Instruction, Physics, Science Experiments, Scientific Concepts
Bozzo, Giacomo; Michelini, Marisa; Bonanno, Assunta; Stefanel, Alberto – EURASIA Journal of Mathematics, Science and Technology Education, 2022
We report a research-based proposal on electromagnetic induction within the theoretical framework of the Model of Educational Reconstruction. The proposal is based on a sequence of inquiry-based experimental activities centered on hands-on materials and "Real-Time" quantitative experiments, through which students explore the…
Descriptors: Science Instruction, Science Experiments, High School Students, Secondary School Science
Thy, Savrin; Iwayama, Tsutomu – Physics Education, 2022
Viscous and Coulomb's friction combined contribute to the damping of a pendulum; however, they are usually treated as a silo effect. In this study, we investigate the combination of viscous and Coulomb damping in compound pendulum oscillation, employing two modern instruments that are cheap and handy to quantify the experiments, which are video…
Descriptors: Science Instruction, Mechanics (Physics), Motion, Laboratory Equipment
Cross, Rod – Physics Education, 2021
A simple experiment for students is to measure the coefficient of restitution (COR) for a vertical bounce on a horizontal surface. In this paper, measurements are presented of the COR for a tennis ball bouncing at an oblique angle on a horizontal surface. Changes in the horizontal and rotation speeds were also measured, by filming the bounce with…
Descriptors: Science Experiments, Science Instruction, Physics, Scientific Concepts
Woithe, J.; Kersting, M. – Physics Education, 2021
Dark matter is one of the most intriguing scientific mysteries of our time and offers exciting instructional opportunities for physics education in high schools. The topic is likely to engage and motivate students in the classroom and allows addressing open questions of the Standard Model of particle physics. Although the empirical evidence of…
Descriptors: Science Instruction, Secondary School Science, High Schools, Scientific Concepts
Florian, Aurelia-Daniela; Florian, Gabriel; Trocaru, Sorin – Acta Didactica Napocensia, 2022
In this paper is presented a pilot study for the investigation of the relevant factors within some experimental works carried out by students, after going through the learning unit "Movement and rest", which can be found in the chapter "Principles and laws in classical mechanics", from the physics curriculum for the ninth grade…
Descriptors: Science Instruction, Science Laboratories, Mechanics (Physics), Grade 9