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Mary Jane Brundage; David E. Meltzer; Chandralekha Singh – Physical Review Physics Education Research, 2024
We use the Survey of Thermodynamic Processes and First and Second Laws-Long (STPFaSL-Long), a research-based survey instrument with 78 items at the level of introductory physics, to investigate introductory and advanced students' difficulties with entropy and the second law of thermodynamics. We present an analysis of data from 12 different…
Descriptors: Scientific Concepts, Thermodynamics, Introductory Courses, Advanced Courses
Phetvilay Khattiyavong; Phattaranan Thongtaow; Sanoe Chairam; Saksri Supasorn; Purim Jarujamrus; Maliwan Amatatongchai; Duangjai Nacapricha – Journal of Chemical Education, 2023
Catalysis is an essential concept in chemistry, playing a key role in industrial processes. Catalysis has been considered to be challenging not only for university students to comprehend but also for the teachers. In this Laboratory Experiment, we have described a simple activity for demonstrating the concept of catalysis using thread-based…
Descriptors: Chemistry, Science Education, Industrial Arts, Scientific Concepts
Constantine Kapetanakis; Samantha Conflitti; Sarah Abdo; L. Kate Wright; Dina L. Newman – Biochemistry and Molecular Biology Education, 2024
Analogies are used to make abstract topics meaningful and more easily comprehensible to learners. Incorporating simple analogies into STEM classrooms is a fairly common practice, but the analogies are typically generated and explained by the instructor for the learners. We hypothesize that challenging learners to create complex, extended analogies…
Descriptors: Critical Thinking, Logical Thinking, Skill Development, Thinking Skills
Connor Haindfield; William Cerbin; Douglas Baumann; Heather Schenck – Chemistry Education Research and Practice, 2024
Two generative approaches to reaction mechanism instruction for novice students were compared to lecture instruction. In both approaches, students were coached to propose selected reaction mechanisms based on prior knowledge. New instructional methods were correlated with increased skill in representations of electron movements and other gains.…
Descriptors: Science Instruction, Teaching Methods, Prior Learning, Science Achievement
Juanengsih, Nengsih; Rahmat, Adi; Wulan, Ana Ratna; Rahman, Taufik – Cypriot Journal of Educational Sciences, 2021
This study aims to analyse students' extraneous cognitive load (ECL) in cell biology lectures. Participants in the study were 31 students of the Biology Education Department who attended the Cell Biology course from a university in Jakarta, Indonesia. The Cell Biology lectures include fours topics. The data of ECL were measured using…
Descriptors: Foreign Countries, College Students, College Science, Cytology
An Organic Chemistry Activity to Improve Student Understanding of Molecules as 3-Dimensional Objects
Charles E. Jakobsche; Anh-Vy Le – Journal of Chemical Education, 2023
This report describes an activity that helps organic chemistry students to better understand organic molecules as 3-dimensional objects. To accomplish this goal, the activity employs a unique three-way combination of analyzing computer-generated 3-dimensional renditions of open access X-ray crystallography data, building physical 3-dimensional…
Descriptors: Organic Chemistry, Molecular Structure, Instructional Materials, Manipulative Materials
Horvat, Saša A.; Roncevic, Tamara N.; Arsenovic, Dragana Z.; Rodic, Dušica D.; Segedinac, Mirjana D. – Journal of Baltic Science Education, 2020
The main problem in students' lower achievement lies in the cognitive complexity of the problem. The aim of this research was to create and validate the procedure for the assessment of the cognitive complexity of chemical technology problem tasks. The procedure included the creation of Tables for assessing the difficulty of concepts in chemical…
Descriptors: Science Education, Science Achievement, Difficulty Level, Cognitive Processes
Georgiou, Helen – Education Sciences, 2020
New assessment types that include multimodal and digital elements are increasingly being used to assess university students' 'soft skills' such as communication, as well as their science content knowledge. However, very little is known about how or how well such products assess communicative elements, particularly when these elements are so…
Descriptors: Scientific Concepts, Communication Skills, Difficulty Level, Semantics
Karonen, Maarit; Murtonen, Mari; Södervik, Ilona; Manninen, Marianna; Salomäki, Mikko – Education Sciences, 2021
Understanding chemical models can be challenging for many university students studying chemistry. This study analysed students' understanding of molecular structures using the Lewis structure as a model, and examined what hinders their understanding. We conducted pre- and post-tests to analyse students' conceptions and changes in them. The…
Descriptors: Heuristics, Problem Solving, Molecular Structure, College Students
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
Kaps, Andreas; Stallmach, Frank – Physics Education, 2022
Smartphone-based experimental exercises were incorporated as part of the homework problems in an introductory mechanics course at a university. A quasi-experimental field study with two cohorts design was performed to measure the impact of such exercises on motivation, interest and conceptual understanding. The empirical results on learning…
Descriptors: Telecommunications, Handheld Devices, Homework, Mechanics (Physics)
Aragoneses, Andrés; Messer, Rebecca – Physics Teacher, 2020
Introductory physics courses can be a challenge for some college students, especially those that have not taken Advanced Placement (AP) physics courses in high school. Even some classical mechanics concepts, such as energy, power, or the laws of Newton, can be non-intuitive and hard to grasp. When it comes to evaluating the learning outcome of our…
Descriptors: Physics, Science Instruction, Teaching Methods, Video Technology
Eggen, Per-Odd; Persson, Jonas; Jacobsen, Elisabeth Egholm; Hafskjold, Bjørn – LUMAT: International Journal on Math, Science and Technology Education, 2017
A chemistry concept inventory (Chemical Concept Inventory 3.0/CCI 3.0) has been developed for assessing students learning and identifying the alternative conceptions that students may have in general chemistry. The conceptions in question are assumed to be mainly learned in school and to a less degree in student's daily life. The inventory…
Descriptors: Chemistry, Misconceptions, Scientific Concepts, Science Tests
Hairan, Abdul Manan; Abdullah, Nazlinda; Husin, Abu Hassan – European Journal of Physics Education, 2019
In this paper, the level of conceptual understanding of Newtonian mechanics among Afghan school and university students in Kabul, Afghanistan was investigated. This study employed a quantitative descriptive survey method where the Pashto version of the Force Concept Inventory (FCI) was given to a random sample of 216 students from two schools and…
Descriptors: Concept Formation, Comprehension, Foreign Countries, Physics
Pavlin, Jerneja; Glazar, Sasa A.; Slapnicar, Miha; Devetak, Iztok – Chemistry Education Research and Practice, 2019
The purpose of this paper is to explore and explain students' achievements in solving context-based gas exercises comprising the macroscopic and submicroscopic levels of chemical concepts. The influence of specific variables, such as interest in learning, formal-reasoning abilities, and visualisation abilities, is a significant factor that should…
Descriptors: Chemistry, Science Education, Educational Background, Science Interests
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