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Eilks, Ingo; Gulacar, Ozcan – Journal of Chemical Education, 2016
One of the topics that chemistry teachers have a great challenge introducing is chemical equilibrium. When being introduced to chemical equilibrium, many students have difficulties in understanding that some reactions do not go to completion, as this contrasts most of their supposed prior experiences in chemistry lessons. Students may also…
Descriptors: Undergraduate Students, Science Education, Chemistry, Demonstrations (Educational)
Sewry, Joyce D.; Glover, Sarah R.; Harrison, Timothy G.; Shallcross, Dudley E.; Ngcoza, Kenneth M. – Journal of Chemical Education, 2014
Given the emphasis on community engagement in higher education, academic departments need to become more involved in the community. This paper discusses a number of outreach activities undertaken by the chemistry department at Rhodes University, South Africa. The activities range from service learning to community engagement with teachers and…
Descriptors: Science Instruction, Chemistry, Foreign Countries, Knowledge Level
Stribling, Daniel; Brewer, Christopher R.; Goldsby, Kenneth A. – Journal of Chemical Education, 2021
The mercury beating heart is a dramatic demonstration of redox chemistry that allows for the direct conversion of chemical energy to mechanical energy without involving a machine to accomplish the transfer. Unfortunately, instructors often avoid this demonstration due to difficulties initiating the oscillating redox reaction that drives the…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
Sweeder, Ryan D.; Jeffery, Kathleen A. – Journal of Chemical Education, 2013
This article describes the use of a comprehensive demonstration suitable for a high school or first-year undergraduate introductory chemistry class. The demonstration involves placing a burning candle in a container adjacent to a beaker containing a basic solution with indicator. After adding a lid, the candle will extinguish and the produced…
Descriptors: Chemistry, Demonstrations (Educational), Secondary School Science, College Science
Branan, Daniel; Morgan, Matt – Journal of Chemical Education, 2010
Students everywhere love chemistry demonstrations, especially if they involve explosions. But have you ever wanted to move beyond the "wow" factor and find a way to incorporate active student learning into your demos? What if you could get them to think more deeply about what they're observing, and then find out if they really understand what…
Descriptors: Learning Activities, Formative Evaluation, Inquiry, Chemistry
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
Majerich, David M.; Schmuckler, Joseph S. – Journal of College Science Teaching, 2007
A large enrollment, instructor-centered chemistry course taught with science demonstrations was transformed into one that was more student-centered. Course survey and examination results revealed more positive perceptions of the benefits of demonstrations and greater content mastery for students in the modified course than for those in the…
Descriptors: Student Attitudes, Chemistry, Science Instruction, Educational Benefits
Preparation of Conducting Polymers by Electrochemical Methods and Demonstration of a Polymer Battery
Goto, Hiromasa; Yoneyama, Hiroyuki; Togashi, Fumihiro; Ohta, Reina; Tsujimoto, Akitsu; Kita, Eiji; Ohshima, Ken-ichi – Journal of Chemical Education, 2008
The electrochemical polymerization of aniline and pyrrole, and demonstrations of electrochromism and the polymer battery effect, are presented as demonstrations suitable for high school and introductory chemistry at the university level. These demonstrations promote student interest in the electrochemical preparation of conducting polymers, where…
Descriptors: Plastics, Molecular Structure, Student Interests, Chemistry
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
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
Shmaefsky, Brian R. – Journal of College Science Teaching, 2005
Classroom demonstrations are a great vehicle for getting students to apply information they have heard in a lecture. Educational research is replete with data showing that concept application in an inquiry setting reinforces long-term science content retention. This means that students learn best when they experience applications of concepts and…
Descriptors: Elementary School Students, Biochemistry, Biology, Service Learning
Kuntzleman, Thomas Scott; Rohrer, Kristen; Schultz, Emeric – Journal of Chemical Education, 2012
Lightsticks, or glowsticks as they are sometimes called, are perhaps the chemist's quintessential toy. Because they are easy to activate and appealing to observe, experimenting with lightsticks provides a great way to get young people interested in science. Thus, we have used lightsticks to teach chemical concepts in a variety of outreach settings…
Descriptors: Inorganic Chemistry, Thermodynamics, Physics, Demonstrations (Educational)