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Peer reviewed
School Science Review, 1980
Outlines a variety of laboratory procedures, discussions, and demonstrations including Brownian motion, a synchronous motor, jet engine, atmospheric pressure vortex ring machines, solid chemical dispensing, testing household detergents, wallchart storage, pollution by industrial chemicals, an optical illusion, and buoyancy. (GS)
Descriptors: Biology, Chemistry, Demonstrations (Educational), Elementary Secondary Education
Tested Demonstrations: Rossini, William Tell and the Iodine Clock Reaction: A Lecture Demonstration.
Peer reviewed
Brice, L. K.; Gilbert, George L., Ed. – Journal of Chemical Education, 1980
Three demonstrations are described: (1) a variation of the iodine clock reaction in which a cassette tape recording of the William Tell Overture accompanies color changes as solutions are mixed; (2) a crystallization demonstration using sodium acetate; and (3) lecture-demonstrations creating colored colloidal dispersions from clear solutions. (CS)
Descriptors: Audiovisual Aids, Chemical Reactions, Chemistry, Demonstrations (Educational)
Peer reviewed
School Science Review, 1979
Included is information regarding: sucrose dehydration by sulphuric acid; an example of school-industry link in studying zinc oxide production; viscous flow in inorganic silicate glass; construction of a peristaltic pump; electrolysis; carbon dioxide preparation; electrophoresis; safety in using hydrogen and sulphuric acid; and approaches to…
Descriptors: Chemical Bonding, Chemistry, Demonstrations (Educational), Laboratory Procedures
Peer reviewed
Edge, R. D., Ed. – Physics Teacher, 1979
Explains how to use sticky tape, a soda straw, and a little water to build a device which will demonstrate Charles' law as well as give the temperature. (GA)
Descriptors: Chemistry, Demonstrations (Educational), Elementary Secondary Education, Instructional Materials
Peer reviewed
Hull, L. A. – Journal of Chemical Education, 1990
Described is a simple demonstration that relates the techniques of magnetic resonance imaging (MRI) used in medicine and nuclear magnetic resonance (NMR) spectroscopy. Included are materials, procedures, and probable results. (KR)
Descriptors: Biomedical Equipment, Chemistry, College Science, Demonstrations (Educational)
Peer reviewed
Pojman, John A. – Journal of Chemical Education, 1990
Described is a demonstration that provides an introduction to nonequilibrium reaction-diffusion systems and the coupling of hydrodynamics to chemical reactions. Experiments that demonstrate autocatalytic behavior that are effected by gravity and convection are included. (KR)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, College Science
Peer reviewed
Rayner-Canham, Geoff – Journal of College Science Teaching, 1993
Presents historical background and modern explanations for the popular demonstration of showing conductivity of solutions through the insertion of a light-bulb conductivity tester into deionized water and water with salt in it. (PR)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Electricity
Peer reviewed
Shmaefsky, Brian; Shmaefsky, Mary Jo – Journal of College Science Teaching, 1994
Describes a demonstration using a variety of clear solutions in which the instructor asks students whether the solutions appear homogeneous or inadequately mixed. The solutions are then induced to fluoresce with ultraviolet light to provide visible evidence of homogeneity or nonhomogeneity. (PR)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Higher Education
Peer reviewed
Wolf, Walter A., Ed. – Journal of Chemical Education, 1975
Descriptors: Chemical Equilibrium, Chemistry, College Science, Demonstrations (Educational)
Peer reviewed
Beevers, C. A. – Education in Chemistry, 1974
Descriptors: Chemical Bonding, Chemistry, College Science, Demonstrations (Educational)
Peer reviewed
Pederson, Dennis M. – Journal of Chemical Education, 1974
Descriptors: Biochemistry, Chemistry, College Science, Demonstrations (Educational)
Peer reviewed
School Science Review, 1978
Short reports contributed on a variety of topics in chemistry are presented. (CP)
Descriptors: Chemistry, Construction (Process), Demonstrations (Educational), Instruction
Peer reviewed
Kauffman, George B.; Ebner, Ronald D. – Journal of College Science Teaching, 1985
Describes a demonstration in which gaseous ammonia and hydrochloric acid are used to illustrate rates of diffusion (Graham's Law). Simple equipment needed for the demonstration include a long tube, rubber stoppes, and cotton. Two related demonstrations are also explained. (DH)
Descriptors: Chemical Reactions, Chemistry, College Science, Demonstrations (Educational)
Peer reviewed
Gilbert, George L., Ed. – Journal of Chemical Education, 1983
Provides directions for setup and performance of two demonstrations. The first demonstrates the principles of Raoult's Law; using a simple apparatus designed to measure vapor pressure. The second illustrates the energy available from alcohol combustion (includes safety precautions) using an alcohol-fueled missile. (JM)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Higher Education
Peer reviewed
Moore, William M. – Journal of Chemical Education, 1984
Describes the procedures and equipment for an experiment on the adiabatic expansion of gases suitable for demonstration and discussion in the physical chemical laboratory. The expansion produced shows how the process can change temperature and still return to a different location on an isotherm. (JN)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Heat