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Chattopadhyay, Purnesh; Wang, Linlin; Eychmu¨ller, Alexander; Simmchen, Juliane – Journal of Chemical Education, 2022
We present a simple undergraduate level experiment dealing with the preparation and characterization of a colloidal Langmuir-Blodgett (LB) film. The experiment is designed to invoke an interdisciplinary understanding of colloid chemistry and surface science. It will allow the students to develop the concepts of wettability, hydrophobicity, and…
Descriptors: Undergraduate Students, Student Projects, Chemistry, Science Experiments
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Zvart Ajoyan; Christopher Copeman; Hudson A. Bicalho; Jean-Louis Do; Tiffany Te; Jennifer Romero; Ashlee J. Howarth – Journal of Chemical Education, 2023
Metal-organic frameworks (MOFs) are a class of porous materials that are often crystalline with high surface area and structural tunability. In this laboratory experiment designed for inorganic chemistry students at the undergraduate level, students complete a two-step experiment where they will first (i) synthesize two isostructural…
Descriptors: Undergraduate Study, Laboratory Experiments, Science Instruction, Chemistry
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Miaomiao Lu; Yidan Jing; Tai Feng; Xiaomin Zhang – Journal of Chemical Education, 2024
A comprehensive teaching experiment plan tailored forthird-yearundergraduates has been developed. Initially, instructors synthesize(E)-2-(4-((4-(2-hydroxyethoxy)-3-methylphenyl)­diazenyl)­phenoxy)-ethan-1-ol­(M-Azo-2)monomer as part of the preclass preparation. Subsequently, studentsperform an acylation reaction experiment to prepare an…
Descriptors: Chemistry, Science Education, Teaching Methods, College Science
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Yongguang Gao; Na Chen; Xiaoye Jiang; Xiaochun Yang – Journal of Chemical Education, 2024
The substitution of carbonyl compounds with liquid bromine as a brominating agent is the most commonly employed synthesis method for a-bromoacetophenone and its derivatives. However, liquid bromine possesses certain drawbacks, such as volatilization, high toxicity, strong corrosion, and poor reaction selectivity, which limit its application and…
Descriptors: Chemistry, Science Experiments, Teaching Methods, Undergraduate Study
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Anis Daou; Shijimol M. Arakkal; Alaaldin M. Alkilany – Journal of Chemical Education, 2023
In chemistry, a eutectic mixture refers to a mixture of two or more components at which the lowest possible freezing point is observed. This phenomenon is covered in a wide range of curricula such as physics, chemistry, chemical engineering, and pharmacy to various depths. Despite the significance of this phenomenon in pharmaceutical compounding…
Descriptors: Pharmaceutical Education, Chemistry, Science Instruction, Science Curriculum
Maria Cerrato-Alvarez; Samuel Frutos-Puerto; Eduardo Pinilla-Gil – Journal of Chemical Education, 2024
Calculating analytical uncertainties as a part of method validation is a relevant aspect of field and laboratory practices in instrumental analytical chemistry subjects, which usually require complex algorithms. This work describes the development and didactic use of an automatic and straightforward informatics tool, implemented in an Excel macro,…
Descriptors: Computation, Computer Software, Teaching Methods, Knowledge Level
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Sobiya Khursheed; Zahid Hussain; Aasiya Gul; Muhammad Aabid Shah; Afzal Hussain; Mohamed F. Alajmi; Prince Firdoos Iqbal; Nusrat Rashid; Rayees Ahmad Shiekh; Jahangir Ahmad Rather; Akhtar Hussain Malik; Waseem A. Wani – Journal of Chemical Education, 2024
Titration is an important experimental skill that every chemistry educator and learner must master. Titration is often the method of choice in the science laboratory courses in secondary and postsecondary schools. During acid-base titration, chemistry learners are always told about salt formation. However, a practical visualization of the salt…
Descriptors: Secondary School Science, Secondary School Students, Undergraduate Students, Chemistry
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Pašic, Selim; Popara, Nato – Physics Education, 2022
We present a novel method for demonstrating the physical principles of ultrasound imaging at a level suitable for educational programmes up to the university level, using a simple mechanical model that is very inexpensive and accessible to a broad variety of educational institutions. The method revolves around the use of one or two steel springs…
Descriptors: Physics, Science Instruction, Diagnostic Tests, Universities
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Amabile, Alessandro; Annunziata, Annarita; Artiano, Giancarlo; Balzano, Emilio – Education Sciences, 2022
Physics preparation for primary school teachers has received attention only in recent decades. Research on science education provides useful guidelines, often disregarded. Several interrelated research questions must be addressed by field research, namely, (a) which physics subjects to teach in primary school and its relationships with other…
Descriptors: Physics, Elementary School Teachers, Preservice Teachers, Foreign Countries
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Günter, Tugçe – Journal of Science Learning, 2023
This research investigates the effect of the context-based approach (CBA) 'Relating-Experiencing-ApplyingCooperating- Transferring' (REACT) strategy supported with crossword puzzles on achieving the associate degree students in the chemistry laboratory course on the topic of acid-base titrations. A crossword puzzle game and four contexts related…
Descriptors: Teaching Methods, Games, Chemistry, Game Based Learning
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Kekule, Tomáš – Physics Teacher, 2022
Newton's laws are essential for understanding causes and description of mechanical motion. Great attention is paid to them during physics education. Unfortunately, many students, not only in high school, but also undergraduates, can recite them but do not understand their essence. Therefore, it is useful to demonstrate different experiments in the…
Descriptors: Physics, Science Instruction, Scientific Principles, Motion
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D'Agostino, Alfred T. – Journal of Chemical Education, 2022
Symbolic, spatial, and visual information, which is important for comprehending and learning physical and natural sciences, is not readily accessible to blind and low-vision (BLV) students in the undergraduate chemistry classroom, laboratory, and virtual environment via conventional means (through print and images), thus, creating a…
Descriptors: Accessibility (for Disabled), Undergraduate Students, Chemistry, Blindness
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Feng Xiong; Ru-Xin Liu; Xiao-Xuan Fan; Min Zhang; Yuan She; Wei-Qing Cao; Chao Chen; Tong-Mei Ding; Shu-Yu Zhang – Journal of Chemical Education, 2023
The demand for sustainable synthetic methods in modern industry has been increasing rapidly due to the requirements of environmental protection and energy conservation, which has brought organic electrochemical synthesis to the forefront nowadays. Here, a two-part laboratory experiment has been designed to train undergraduates in comprehending and…
Descriptors: Organic Chemistry, Science Instruction, Undergraduate Students, Sustainability
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Bonachea, Luis A. – Journal of Biological Education, 2021
While metabolism is a fundamental process in physiology, the measurement of metabolism by living animals often requires specialized and expensive equipment. In 2016, I developed a novel laboratory exercise for animal physiology students where students were able to observe the effects of temperature and long-term temperature acclimation on the…
Descriptors: Science Experiments, Science Instruction, Metabolism, Climate
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Arslan, Ayten – Educational Policy Analysis and Strategic Research, 2021
This study aimed to determine the effect of a cooperative learning model (CLM) on preservice classroom teachers' attitudes towards science experiments. The sample consisted of 45 students in the department of primary education of the faculty of education of a public university in the 2017-2018 academic year. The sample was divided into two groups:…
Descriptors: Preservice Teachers, Science Experiments, Teaching Methods, Cooperative Learning
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