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Journal Articles: 12 results
From Textiles to Molecules—Teaching about Fibers To Integrate Students' Macro- and Microscale Knowledge of Materials  Hannah Margel, Bat-Sheva Eylon, and Zahava Scherz
This article describes a new interdisciplinary learning program for junior high school students based on the science, technology, and society (STS) approach emphasizing a macroĀ¯micro view and consolidating an understanding of the structures of materials through the context of fibers.
Margel, Hannah; Eylon, Bat-Sheva; Scherz, Zahava. J. Chem. Educ. 2006, 83, 1552.
Applications of Chemistry |
Polymerization |
Molecular Properties / Structure |
Student-Centered Learning
Introduction to Photolithography: Preparation of Microscale Polymer Silhouettes  Kimberly L. Berkowski, Kyle N. Plunkett, Qing Yu, and Jeffrey S. Moore
In this experiment, a glass microscope slide acts as the microchip. Students can pattern this "microchip" by layering negative photoresist on the slide using a solution containing monomer, crosslinker, photoinitiator, and dye. The students then cover the photoresist with a photomask, which is the negative of a computer-generated image or text printed on transparency film, and illuminate it with UV light. The photoresist in the exposed area polymerizes into a polymer network with a shape dictated by the photomask. The versatility of this technique is exemplified by allowing each student to fabricate virtually any shape imaginable, including his or her silhouette.
Berkowski, Kimberly L.; Plunkett, Kyle N.; Yu, Qing; Moore, Jeffrey S. J. Chem. Educ. 2005, 82, 1365.
Materials Science |
Applications of Chemistry |
Free Radicals |
Polymerization
Hands-on Classroom Photolithography Laboratory Module To Explore Nanotechnology  Scott J. Stelick, William H. Alger, Jesse S. Laufer, Anna M. Waldron, and Carl A. Batt
Teaching nanotechnology in the high school and undergraduate environment is a challenge given the typical expense of instruments used to create micro- and nano-sized devices. To meet this challenge, a portable optical reduction stepper was designed, fabricated, and optimized for use in classrooms. This unique system was designed to provide a safe, hands-on experience for students to create microscale circuits using photolithography. Students are able to design, fabricate, and test a circuit with dimensions as small as 100 mm.
Stelick, Scott J.; Alger, William H.; Laufer, Jesse S.; Waldron, Anna M.; Batt, Carl A. J. Chem. Educ. 2005, 82, 1361.
Applications of Chemistry |
Enrichment / Review Materials |
Nanotechnology |
Polymerization |
Undergraduate Research
The Vitamin C Clock Reaction  Stephen W. Wright
Clock reaction using supermarket materials (vitamin C, hydrogen peroxide, tincture of iodine, and starch).
Wright, Stephen W. J. Chem. Educ. 2002, 79, 41.
Consumer Chemistry |
Oxidation / Reduction |
Vitamins |
Carboxylic Acids
A Bag of Slime: A Novel Lab Procedure  Katz, David A.
Procedure for making slime from polyvinyl alcohol and borax.
Katz, David A. J. Chem. Educ. 1994, 71, 891.
Polymerization
Evening polymer programs to pique the interests of youngsters and adults  Woodward, Linda; Bernard, Mary Ann
This outreach program increases the interaction between children and adults while introducing students and parents to the world of synthetic polymers.
Woodward, Linda; Bernard, Mary Ann J. Chem. Educ. 1993, 70, 1006.
Polymerization |
Applications of Chemistry |
Consumer Chemistry |
Green Chemistry
Slime and poly(vinyl alcohol) fibers: An improved method  Stroebel, Gary G.; Whitesell, Jonathan A.; Kriegel, Robert M.
Students in a day-long Slime Workshop refine the preparation and demonstrations of this ubiquitous classroom polymer.
Stroebel, Gary G.; Whitesell, Jonathan A.; Kriegel, Robert M. J. Chem. Educ. 1993, 70, 893.
Undergraduate Research |
Polymerization
Demonstrating organic synthesis with familiar materials   Rothenberger, Otis; Bunting, Roger; Newton, Thomas
Two chemical synthesis demonstrations for elementary, high school, college, and adult audiences.
Rothenberger, Otis; Bunting, Roger; Newton, Thomas J. Chem. Educ. 1991, 68, 502.
Synthesis |
Esters |
Natural Products
Preparation of sterno from blackboard chalk: A "safe" student-teacher activity   Welsh, Michael J.
The goal of this program is exposing students to safe, exciting, hands-on activities that illustrate simple, basic chemistry.
Welsh, Michael J. J. Chem. Educ. 1990, 67, 337.
Phases / Phase Transitions / Diagrams |
Alcohols
Silicate-PVA polymers   Burke, Barbara A.
A demonstration exhibiting the change of properties depending upon the amount of silicate used in the polymer.
Burke, Barbara A. J. Chem. Educ. 1988, 65, 895.
Alcohols
Dramatization of polymeric bonding using slime  Sarquis, A.M.
Specific guidelines for demonstrating the properties of slime for young, concrete operational students.
Sarquis, A.M. J. Chem. Educ. 1986, 63, 60.
Learning Theories |
Polymerization
The gelation of polyvinyl alcohol with borax: A novel class participation experiment involving the preparation and properties of a "slime"  Casassa,E.Z.; Sarquis, A.M.; Van Dyke, C.H.
In this report, the authors describe a safe, interesting, and inexpensive class participation experiment, easily and quickly done by all the students in small to moderately large lecture halls.
Casassa,E.Z.; Sarquis, A.M.; Van Dyke, C.H. J. Chem. Educ. 1986, 63, 57.
Alcohols |
Polymerization |
Physical Properties