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Direct linkUzuntiryaki, Esen; Boz, Yezdan; Kirbulut, Demet; Bektas, Oktay – Research in Science Education, 2010
This study aimed to explore pre-service chemistry teachers' beliefs about constructivism and the influence of their beliefs in their teaching practice. For this purpose, semi-structured interviews were carried out with eight pre-service teachers in order to understand their belief structures. Pre-service teachers' beliefs about constructivism were…
Descriptors: Constructivism (Learning), Chemistry, Interviews, Teacher Attitudes
Chen, Ling; Anderson, Jennifer Y.; Wang, Diane R. – Journal of College Science Teaching, 2010
This case study uses a daily cooking scenario to demonstrate how the boiling point of water is directly related to the external pressures in order to reinforce the concepts of boiling and boiling point, apply ideal gas law, and relate chemical reaction rates with temperatures. It also extends its teaching to autoclaves used to destroy…
Descriptors: Chemistry, Scientific Principles, Scientific Concepts, Science Instruction
Golden, Melissa L.; Person, Eric C.; Bejar, Miriam; Golden, Donnie R.; Powell, Jonathan M. – Journal of Chemical Education, 2010
A demonstration was created to display the unique behavior of a familiar element, phosphorus, and to make chemistry more accessible to the introductory student. The common allotropes of phosphorus and their reactivity are discussed. In this demonstration, the white allotrope of phosphorus is synthesized from the red phosphorus obtained from a…
Descriptors: Chemistry, Science Experiments, Teaching Methods, Science Instruction
Stephens, Chad E. – Journal of Chemical Education, 2010
The familiar word OREO (as in the cookie) is presented as a simple mnemonic for remembering the basic steps of the classical tautomerization mechanisms in organic chemistry. For acid-catalyzed tautomerizations, OREO stands for proton on, resonance, proton off. For base-catalyzed tautomerizations, OREO stands for proton off, resonance, proton on.…
Descriptors: Organic Chemistry, Mnemonics, Teaching Methods, Science Instruction
Pike, Robert D. – Journal of Chemical Education, 2010
A simple lecture demonstration is described to show the latent presence of metal atoms in a metal salt. Copper(II) formate tetrahydrate is heated in a round-bottom flask forming a high-quality copper mirror.
Descriptors: Demonstrations (Educational), Chemistry, Metallurgy, Science Instruction
Silva, Luciana A.; de Andrade, Jailson B. – Journal of Chemical Education, 2010
A project involving the synthesis of an isomorphic double sulfite series and characterization by classical inorganic chemical analyses is described. The project is performed by upper-level undergraduate students in the laboratory. This compound series is suitable for examining several chemical concepts and analytical techniques in inorganic…
Descriptors: Inorganic Chemistry, Undergraduate Students, Student Projects, Science Process Skills
Jensen, William B. – Journal of Chemical Education, 2010
In response to a reader query, this article traces the origins of the ionic-radius ratio rules and their incorrect attribution to Linus Pauling in the chemical literature and to Victor Goldschmidt in the geochemical literature. In actual fact, the ionic-radius ratio rules were first proposed within the context of the coordination chemistry…
Descriptors: Chemistry, Geometric Concepts, Science Instruction, College Science
Download full textFedotov, Alex; Farah, Shadia; Farley, Daithi; Ghani, Naureen; Kuo, Emmy; Aponte, Cecielo; Abrescia, Leo; Kwan, Laiyee; Khan, Ussamah; Khizner, Felix; Yam, Anthony; Sakeeb, Khan; Grey, Daniel; Anika, Zarin; Issa, Fouad; Boussayoud, Chayama; Abdeldayem, Mahmoud; Zhang, Alvin; Chen, Kelin; Chan, Kameron Chuen; Roytman, Viktor; Yee, Michael – NCSSSMST Journal, 2010
This article describes the projects on solar hydrogen powered vehicles using water as fuel conducted by teams at Brooklyn Technical High School. Their investigations into the pure and applied chemical thermodynamics of hydrogen fuel cells and bio-inspired devices have been consolidated in a new and emerging sub-discipline that they define as solar…
Descriptors: Fuels, Thermodynamics, Sampling, Chemistry
Naples, Virginia L.; Breed, David; Miller, Jon S. – American Biology Teacher, 2010
The techniques of forensic anthropology and pathology can provide new information to increase student interest in studying the structural details of the human skeleton. We present a simplified methodology for assessing skeletal ethnicity, sex, age, and stature. An inexpensive method has been devised for constructing an osteometric board to allow…
Descriptors: Scientific Methodology, Anthropology, Pathology, Chemistry
Liesch, Amanda M. – Journal of Natural Resources and Life Sciences Education, 2010
Phosphorus (P) is the limiting nutrient controlling productivity in most inland freshwater systems. Several materials have been proposed for use to remove excess P from wastewater treatment, including volcanic lapilli and ash (tephra). There is limited data in using tephra as a P filter. There were two objectives of this study: (1) to determine…
Descriptors: Water, Sanitation, Water Quality, Feasibility Studies
Brandriet, Alexandra R.; Ward, Rose Marie; Bretz, Stacey Lowery – Chemistry Education Research and Practice, 2013
Ausubel and Novak's construct of "meaningful learning" stipulates that substantive connections between new knowledge and what is already known requires the integration of thinking, feeling, and performance (Novak J. D., (2010), "Learning, creating, and using knowledge: concept maps as facilitative tools in schools and…
Descriptors: Chemistry, Structural Equation Models, Learning, Cognitive Processes
Behmke, Derek A.; Atwood, Charles H. – Chemistry Education Research and Practice, 2013
To a first approximation, human memory is divided into two parts, short-term and long-term. Cognitive Load Theory (CLT) attempts to minimize the short-term memory load while maximizing the memory available for transferring knowledge from short-term to long-term memory. According to CLT there are three types of load, intrinsic, extraneous, and…
Descriptors: Homework, Cognitive Ability, Computer Assisted Testing, Item Response Theory
Hogan, Robert; Nimmer, Natalie – International Journal of Web-Based Learning and Teaching Technologies, 2013
The history of education in many developing nations is a template of ineffectual and expensive instruction. Despite nearly half a century of higher education in the Pacific, up to 50% of the teachers in many countries such as the Federated States of Micronesia and the Republic of the Marshall Islands still have no more than a high school…
Descriptors: Foreign Countries, Conventional Instruction, Blended Learning, Educational Technology
Ratinen, Ilkka; Viiri, Jouni; Lehesvuori, Sami – Research in Science Education, 2013
Climate change is a complex environmental problem that can be used to examine students' understanding, gained through classroom communication, of climate change and its interactions. The present study examines a series of four science sessions given to a group of primary school student teachers (n?=?20). This includes analysis of the…
Descriptors: Elementary School Students, Concept Mapping, Climate, Scientific Concepts
Aydin, Abdullah; Altuk, Yasemin Gödek – International Education Studies, 2013
This study aims to determine science students teachers' conceptions on the concepts related to "the matter and the states of the matter". 112 Turkish science student teachers participated at this research. A questionnaire consisting of thirteen open-ended items was designed to collect the data. The questionnaire aimed to reveal the…
Descriptors: Foreign Countries, Student Teacher Attitudes, Misconceptions, Science Teachers
