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Thomas, Nicholas C. – Journal of Chemical Education, 2009
This paper provides nine short chemically based puzzles or problems extensible for use with students from middle school to college. Some of these will strengthen students' recognition of individual elements and element names. Others require students to focus on the salient properties of given chemical elements.
Descriptors: Science Instruction, College Science, Secondary School Science, High Schools
Sevcik, Richard S.; Hicks, O'Dell; Schultz, Linda D.; Alexander, Susan V. – Journal of Chemical Education, 2008
"Elements" is a competitive card game designed to help middle school students recognize and correlate the names and symbols of the most significant chemical elements. Each student is required to construct his or her own decks of playing cards--one with the names of the chemical elements and one with their corresponding symbols--and compete against…
Descriptors: Creative Teaching, Student Motivation, Science Instruction, Middle School Students
Yayon, Malka; Scherz, Zahava – Journal of Chemical Education, 2008
"If protons, quarks, and other elementary particles are too small to be seen, how do scientists know they exist? And if these particles do exist, how can one estimate their size, structure, and or their arrangement in atoms?" These are some of the most frequently asked questions by students who study atomic theory. Atomic structure is an important…
Descriptors: Scientific Methodology, Nuclear Physics, Science Instruction, Chemistry
Battino, Rubin; Letcher, Trevor M. – Journal of Chemical Education, 2008
The cryophorus dramatically demonstrates the cooling effect of evaporation. This article describes some simple and easy-to-make cryophoruses, ideal for demonstrating evaporative cooling to students at all levels. The most dramatic effects occurred with cyclohexane and benzene, with water generally freezing more slowly. (Contains 4 notes, 2 tables,…
Descriptors: Science Experiments, Water, Scientific Concepts, Science Laboratories
Peer reviewed
Waller, F. J. – Journal of Chemical Education, 1989
Gives a brief account of fluoropolymers as an important part of polymer chemistry and attempts to make the topic relevant to the secondary school audience. Provides general characteristics and applications for fluoropolymers. (MVL)
Descriptors: Chemical Nomenclature, Chemical Reactions, Chemistry, Instructional Materials
Peer reviewed
Yamana, Shukichi; And Others – Journal of Chemical Education, 1988
Describes how to make the following paper molecular models: trigonal prism; tetragonal pyramid; tetrahedral; and trigonal pyramid. Methodology is given for general paper model manipulation to make various shapes including a chain of tetrahedra and an icosahedron. (MVL)
Descriptors: Chemical Nomenclature, Chemistry, College Science, Geometric Constructions
Peer reviewed
Schobert, Harold H. – Journal of Chemical Education, 1989
Describes the peat to coal process. Investigates the organic, inorganic, and sulfur components of coal. Outlines how varying percentages of each are formed. (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, Coal