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Nehring, Andreas; Busch, Sebastian – Journal of Chemical Education, 2018
Although many chemistry demonstrations are proposed in educational literature, there are hardly any studies on how demonstrations should be set up in order to support students' perception. Against this background, the aim of the present study was to present and test setup principles for chemistry demonstrations, with regards to indicators of…
Descriptors: Demonstrations (Educational), Chemistry, Science Instruction, Hands on Science
Nehring, Andreas; Busch, Sebastian – Journal of Chemical Education, 2020
Although demonstrations play a central role in teaching and learning chemistry, the effects of concrete setup principles have rarely been subject to systematic empirical studies. According to the left-to-right principle, the educator should begin with the first step of a reaction in the upper left part of the setup and then place the following…
Descriptors: Eye Movements, Teaching Methods, Science Instruction, Chemistry
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
Basheer, Ahmad; Hugerat, Muhamad; Kortam, Naji; Hofstein, Avi – EURASIA Journal of Mathematics, Science & Technology Education, 2017
In this study we explored whether the use of teachers' demonstrations significantly improves students' understanding of redox reactions compared with control group counterparts who were not exposed to the demonstrations. The sample consisted of 131 Israeli 8th graders in middle schools (junior high school). Students' attitudes and achievements as…
Descriptors: Foreign Countries, High School Students, Arabs, Science Education
Schultz, Madeleine; Delaney, Seamus – Journal of Chemical Education, 2021
The International Year of the Periodic Table of Chemical Elements in 2019 provided a perfect opportunity to implement community engagement activities that repositioned the public image of chemistry, from one detrimentally linked to the long-term impacts of its previous achievements such as plastic waste and polluting industrial plants to one that…
Descriptors: Chemistry, Outreach Programs, Sustainable Development, Hands on Science
Ne´el, Bastien; Cardoso, Catia; Perret, Didier; Bakker, Eric – Journal of Chemical Education, 2015
A small-scale wastewater cleaning plant is described that includes the key physical pretreatment steps followed by the chemical treatment of mud by flocculation. Water, clay particles, and riverside deposits mimicked odorless wastewater. After a demonstration of the optimization step, the flocculation process was carried out with iron(III)…
Descriptors: Water Quality, Chemistry, Science Instruction, Wastes
Kopasz, Katalin; Makra, Péter; Gingl, Zoltán – Acta Didactica Napocensia, 2012
The development of demonstration experiments plays a key role in modern and efficient teaching of physics, chemistry, biology and several other disciplines. Today's computers and electronic devices allow the use of simple software-based instrumentation to achieve flexible and surprisingly transparent experimentation, however, the professional…
Descriptors: Science Education, Demonstrations (Educational), Secondary School Science, High School Students
Horikoshi, Ryo; Takeiri, Fumitaka; Mikita, Riho; Kobayashi, Yoji; Kageyama, Hiroshi – Journal of Chemical Education, 2017
A unique demonstration with ball-rolling mechanisms has been developed to illustrate the basic principles of mass analyzers as components of mass spectrometers. Three ball-rolling mechanisms mimicking the currently used mass analyzers (i.e., a quadrupole mass filter, a magnetic sector, and a time-of- flight) have been constructed. Each mechanism…
Descriptors: Spectroscopy, Chemistry, Molecular Structure, Science Instruction
Roelle, Julian; Renkl, Alexander – Journal of Educational Psychology, 2020
Example-based learning often uses a design in which learners first receive basic instructional explanations of new principles and concepts and then examples thereof. In this sequence, it is crucial that learners self-explain by using the content of the basic instructional explanations to elaborate on the examples. Typically, learners are not…
Descriptors: Demonstrations (Educational), Self Concept, High School Students, Instructional Effectiveness
Hudson-Smith, Natalie V.; Cahill, Meghan S.; Klein, Nathan D.; Krause, Miriam O.P.; Haynes, Christy L. – Journal of Chemical Education, 2019
Although nanotechnology lessons are increasingly integrated into curricula, students still face significant challenges in understanding the characterization techniques used to investigate nanotechnology. Many characterization techniques, such as transmission electron microscopy (TEM), are prohibitively expensive for primarily undergraduate…
Descriptors: Hands on Science, Chemistry, Technology, Molecular Structure
King-Sears, Margaret E.; Johnson, Todd M. – Remedial and Special Education, 2020
Students with and without learning disabilities in high school chemistry classes, either co-taught or self-contained, received instruction on calculating molar conversions using universal design for learning (UDL) or business-as-usual techniques. For Study 1, posttest scores of students with and without learning disabilities (LD) in co-taught…
Descriptors: Access to Education, Chemistry, Science Instruction, Students with Disabilities
Ardisara, Alvita; Fung, Fun Man – Journal of Chemical Education, 2018
With 360° cameras becoming increasingly available at affordable costs, 360° videos have been gaining momentum online as an exciting visual medium that engages viewers in an immersive 360° panoramic view. In this report, we share insights of our experience in using 360° cameras to capture several laboratory techniques in an undergraduate organic…
Descriptors: Science Instruction, College Science, Secondary School Science, Undergraduate Study
Jensen, William B. – Journal of Chemical Education, 2015
The importance of kinetic metastability is illustrated in detail using several common household products and recommendations are made for how this important and widespread, but often neglected, phenomenon can be more effectively presented in the introductory chemistry textbook.
Descriptors: Kinetics, Introductory Courses, Chemistry, Textbook Content
Eldridge, Daniel S. – Journal of Chemical Education, 2015
There is an increasing focus across all educational sectors to ensure that learning objectives are aligned with learning activities and assessments. An attractive approach previously published is that of curriculum alignment projects. This paper discusses the use of the fun and famous "Elephant's Toothpaste" experiment as a customizable…
Descriptors: Curriculum Development, Alignment (Education), Science Projects, Learning Activities
Kubatova, Alena; Pedersen, Daphne E. – Journal of Chemical Education, 2013
The low interest of the U.S. students in sciences is an ongoing issue. One approach to promote the sciences is outreach activities, often targeted at grades K-12. Yet, a limiting factor in these outreach initiatives is their long-term feasibility, especially from an economic perspective. Another challenge is how to introduce scientific information…
Descriptors: Learner Engagement, Rural Schools, High School Students, Secondary School Science
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