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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
Beni Mbwile; Jonathan Hegwa Paskali – Journal of Turkish Science Education, 2025
Tanzanian secondary school students have consistently performed poorly in the topic of motion in a straight line, which involves kinematics formulas and graphs. Despite instruction, many struggle to plot and interpret these graphs, largely due to limited conceptual understanding among both learners and teachers. This study examines the conceptual…
Descriptors: Foreign Countries, Preservice Teachers, Science Teachers, Physics
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
Tham, Claire; Yeo, Robin; Natarajan, Visshal; Zhang, Tianqin; Chen, Jer-Ming; Krishnaswamy, Lakshminarasimhan; Tan, Da Yang – Physics Teacher, 2022
In this article, we demonstrate the use of a simple pendulum to explore the concepts of kinematics and dynamics. A simple homemade pendulum and a phone-based accelerometer are used to determine, at various points in time, the acceleration of a moving train. The dynamical and kinematics data from the homemade pendulum and the accelerator can then…
Descriptors: Laboratory Equipment, Science Instruction, Computation, Secondary School Science
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
Khan, F. A. – Physics Education, 2022
A number of useful and interesting exercises regarding nucleus and nuclear fission are performed to make these concepts more understandable to high school or even college students.
Descriptors: Science Instruction, Secondary School Science, High School Students, College Science
Halilovic, Asila; Mešic, Vanes; Hasovic, Elvedin; Vidak, Andrej – Journal of Turkish Science Education, 2022
In this study, our aim was to identify high school and university students' post-instruction conceptions about the law of conservation of mechanical energy (LCME). A cross-sectional survey design was used. Firstly, a test consisting of 14 multiple-choice questions was developed. 23 physics teachers analysed the test and concluded that our…
Descriptors: Secondary School Science, College Science, High School Students, Foreign Countries
Çigdem Çingil Baris – Journal of Biological Education, 2024
The aim of this research is to examine the effects of laboratory activities based on the predict-observe-explain (POE) strategy on the understanding of photosynthesis and respiration concepts of pre-service science teachers, and their attitudes towards biology science and course and biology laboratory. Pre- and post-test designs with an…
Descriptors: Science Laboratories, Science Activities, Scientific Concepts, Concept Formation
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
Pili, Unofre B.; Violanda, Renante R. – Physics Education, 2022
The video of a free-falling object was analysed in Tracker in order to extract the position and time data. On the basis of these data, the velocity, gravitational potential energy, kinetic energy, and the work done by gravity were obtained. These led to a rather simultaneous validation of the conservation law of energy and the work-energy theorem.…
Descriptors: Science Instruction, Physics, Energy, Scientific Concepts
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
Bissell, J. J.; Nagaitis, A. M. – Physics Education, 2022
Puzzles involving infinite networks of resistors are an engaging way for students to explore the idea of infinity and self-similarity in physics. Recently K Atkin has described one such puzzle, alongside a solution based on an equivalent finite network (2022 "Phys. Educ." 57 025015). Here we present a generalisation of this problem which…
Descriptors: Science Instruction, Physics, Puzzles, Scientific Concepts
McGregor, Sarah L.; Pleasants, Jacob – Physics Education, 2022
Refraction is a foundational concept within introductory physics. Physics students need a deep understanding of refraction, including Snell's Law, in order to progress towards more complex optics topics such as lenses and images. Unfortunately, many physics students obtain only a superficial understanding of refraction. Although many students can…
Descriptors: Introductory Courses, Physics, Science Instruction, Scientific Concepts
Kontomaris, Stylianos-Vasileios; Malamou, Anna – Physics Education, 2020
The concept of a sinusoidal wave traveling along a string is included in all secondary education physics books and as a result is being taught in undergraduate lectures around the globe. The didactic approach that follows is advantageous since it provides in a simplified way (through basic mathematical tools) a description of a disturbance that…
Descriptors: Science Instruction, Scientific Concepts, Secondary School Science, College Science
Bouchée, T.; de Putter-Smits, L.; Thurlings, M.; Pepin, B. – Studies in Science Education, 2022
Research on teaching and learning quantum physics (QP) frequently explores students' conceptual difficulties to identify common patterns in their reasoning. The abstractness of QP is often found to be at the origin of students' conceptual difficulties. Due to this abstract nature students resort to common sense reasoning or classical thinking when…
Descriptors: Science Instruction, Mechanics (Physics), Scientific Concepts, Concept Formation