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Kestin, Greg; Miller, Kelly; McCarty, Logan S.; Callaghan, Kristina; Deslauriers, Louis – Physical Review Physics Education Research, 2020
Nearly every introductory physics or chemistry course includes live lecture demonstrations, which can range from simple illustrations of a pendulum to elaborate productions with specialized apparatus and highly trained demonstrators. Students and instructors often consider "demos" to be among the highlights of these classes. Yet, in some…
Descriptors: Science Instruction, Instructional Effectiveness, Lecture Method, Video Technology
Delaney, Seamus; Redman, Christine – International Association for Development of the Information Society, 2014
This paper describes the utilisation of a technology-facilitated professional learning network (PLN) for pre-service teachers, centred on chemical demonstrations. The network provided direct experiences designed to extend their pedagogical content knowledge on demonstrations in Chemistry teaching. It provided scaffolded opportunities to…
Descriptors: Preservice Teachers, Communities of Practice, Social Networks, Science Education
Price, Daniel S.; Brooks, David W. – Chemistry Education Research and Practice, 2012
While lecture demonstrations have been conducted in chemistry classrooms for hundreds of years, little research exists to document the frequency with which such demonstrations are employed or their effect on learners' motivation and performance. A mixed-methods research study was performed, using quantitative and qualitative survey data, along…
Descriptors: Student Motivation, Chemistry, Assignments, Lecture Method
Schmidt, Shelly J. – Journal of Food Science Education, 2021
It has been well documented that for many students science is difficult to learn. Thus, as a food chemistry teacher, it has been my mission to continually search for and implement better ways to help my students learn chemistry. One strategy for improved learning, based on Johnstone's Triangle, that has been shown to be exceedingly effective, is…
Descriptors: Science Education, Foods Instruction, Chemistry, Science Instruction
Wang, Tao; Yin, Weidong; Zhang, Shaoxiong; Li, Zhao; Zhang, Shengjun; Zhang, Bo; Ma, Hengchang – Journal of Chemical Education, 2020
This laboratory experiment visually demonstrates the advanced scientific concept of aggregation-induced emission (AIE) using hands-on learning methods. The experiment is divided into two parts: the first period consists of synthesis and isolation of the organic compound 2(TPA-O)-TPE using typical organic chemistry lab techniques; the second period…
Descriptors: Chemistry, Scientific Concepts, Hands on Science, Laboratory Experiments
den Otter, Marie-Jetta; Dam, Michiel; Juurlink, Ludo B. F.; Janssen, Fred – Education Sciences, 2021
Structure-property reasoning (SPR) is one of the most important aims of chemistry education but is seldom explicitly taught, and students find structure-property reasoning difficult. This study assessed two design principles for the development of structure-property reasoning in the context of demonstrations: (1) use of a POE task…
Descriptors: Chemistry, Demonstrations (Educational), Logical Thinking, Instructional Design
Zhang, Jianrui; Antonietti, Markus; Kumru, Baris – Journal of Chemical Education, 2021
Collective motion in living matter is highly intriguing but can also be observed in charged colloidal systems. Collective motion observed in colloidal systems requires extensive material synthesis, external stimuli, and advanced characterization methods that might be highly costly to be employed for teaching. Besides that, colloidal systems can…
Descriptors: Chemistry, Motion, Energy, Scientific Concepts
Li, Zhuoxuan; Yuan, Ling; Liu, Mengfei; Cheng, Zhenfang; Zheng, Juhua; Epstein, Irving R.; Gao, Qingyu – Journal of Chemical Education, 2021
The Briggs-Rauscher reaction is a popular demonstration to illustrate chemical oscillations in laboratories, classrooms, and public seminars because of its simplicity and visual appeal. Here, we adapt the Briggs-Rauscher reaction to present reaction-diffusion-convection patterns in the undergraduate general or physical chemistry laboratory. By…
Descriptors: Science Instruction, Chemistry, Undergraduate Study, College Science
Azman, Adam M. – Journal of Chemical Education, 2020
Fast, reliable, well-resolved latent fingerprints can be planted by applying a thin coating of a 50:50 mixture of hand lotion and food-grade protein powder. Fingerprints can be revealed with iodine fuming or ninhydrin staining. This low-cost alternative to commercial latent print pads can be used in a variety of classroom or public settings where…
Descriptors: Chemistry, Science Instruction, Crime, Laboratory Experiments
Sunassee, Suthananda N.; Young, Ryan M.; Sewry, Joyce D.; Harrison, Timothy G.; Shallcross, Dudley E. – Acta Didactica Napocensia, 2012
In accordance with the requirements for the National Curriculum Statement for both Life sciences and Physical sciences and the importance of community engagement in Higher Education in South Africa, this paper described the use of the lecture-demonstration "A Pollutant's Tale" to create climate change awareness amongst school learners.…
Descriptors: Foreign Countries, Climate, Environmental Education, Consciousness Raising
Pham, Michelle; Foster, Samuel W.; Kurre, Sangeeta; Hunter, Rebecca A.; Grinias, James P. – Journal of Chemical Education, 2021
High-performance liquid chromatography is one of the primary techniques covered in the undergraduate analytical chemistry curriculum. This technology report describes the use of a portable capillary-scale instrument that can provide similar performance to a benchtop instrument but generates less solvent waste and enables operation in nonlaboratory…
Descriptors: Science Instruction, College Science, Undergraduate Study, Laboratory Equipment
Schmidt, Emily; Vik, Ryan; Brubaker, Benjamin W.; Abdulahad, Sienna S.; Soto-Olson, Diana K.; Monjure, Tia A.; Battle, Cooper H.; Jayawickramarajah, Janarthanan – Journal of Chemical Education, 2020
There is a growing need for workers with STEM-aligned training in the modern global economy, but a paucity of workers to fill these positions. One important contributor to this issue is low student persistence in STEM. Nontraditional science courses that utilize more active-participation and learning are attractive as tools to increase student…
Descriptors: Self Efficacy, STEM Education, Service Learning, Chemistry
Ali, Numan; Ullah, Sehat; Raees, Muhammad – Education and Information Technologies, 2022
Virtual Periodic Table (VPT) is an effective software tool to present elements in a conceivable three-dimensional (3D) mode. VPT is used to assist users in their learning before performing any hands-on activities in chemistry laboratory. Various VPTs have been developed for enhancing the learning process of chemistry education. Different types of…
Descriptors: Chemistry, Computer Uses in Education, Demonstrations (Educational), Visual Aids
Fung, Fun Man – Journal of Chemical Education, 2015
The current model of flipped classroom ensures that learning is not being restricted to the brick and mortar setting. Lessons can be conducted anywhere, anytime, as long as there is a good internet connection. Most of the flipped classroom and e-lectures are videos recording PowerPoint slides with a human voice as the audio instruction. In…
Descriptors: Chemistry, Science Laboratories, Blended Learning, Science Instruction
Spierenburg, Rick; Jacobse, Leon; de Bruin, Iris; van den Bos, Daan J.; Vis, Dominique M.; Juurlink, Ludo B. F. – Journal of Chemical Education, 2017
As it connects to a large set of important fundamental ideas in chemistry and analytical techniques discussed in high school chemistry curricula, we review the exploding flask demonstration. In this demonstration, methanol vapor is catalytically oxidized by a Pt wire catalyst in an open container. The exothermicity of reactions occurring at the…
Descriptors: Misconceptions, Scientific Concepts, Science Instruction, High Schools