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Direct linkDopke, Nancy Carter; Lovett, Timothy Neal – Journal of Chemical Education, 2007
Mass spectrometry is a widely used and versatile tool for scientists in many different fields. Soft ionization techniques such as matrix-assisted laser desorption/ionization (MALDI) allow for the analysis of biomolecules, polymers, and clusters. This article describes a MALDI mass spectrometry experiment designed for students in introductory…
Descriptors: Introductory Courses, Chemistry, Course Content, Laboratory Experiments
Download full textNoble, Tracy; And Others – 1995
Graphs without a time axis, such as velocity-versus-position graphs, offer interesting possibilities for exploring graphing and motion. Relations depicted by these graphs are not limited to functions. Interviews with a high school student named Olivia, who uses a motion detector to create such graphs, indicate that she uses thought experiments as…
Descriptors: Cognitive Structures, Graphs, High School Students, High Schools
Peer reviewedHawkins, M. D.; And Others – Education in Chemistry, 1975
Describes several oscillating chemical reactions which can be used in undergraduate chemistry laboratories. In one such reaction, ferroin oscillates from red (reducing solution) to blue (oxidizing solution) for about an hour at a frequency which can readily be shown to depend on such factors as the temperature, type of solvent, and concentration…
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewedPhysics Education, 1975
Presents notes on three physics experiments on (1) light and lenses, (2) determination of the pVT surface of a freon, and (3) use of an eyepiece with microscopes and telescopes. (RH)
Descriptors: Chemistry, Laboratory Experiments, Optics, Physics
Peer reviewedPhysics Education, 1975
Descriptors: Book Reviews, Books, Demonstrations (Educational), Films
Peer reviewedGreen, Mark M.; And Others – Journal of Chemical Education, 1975
A survey of 22 popular organic chemistry textbooks showed that only four correctly stated that of the two components of starch, amylopectin is the water-soluble, and amylose is the water-insoluble. (MLH)
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials
Peer reviewedNechamkin, Howard – Science Teacher, 1975
Descriptors: Chemistry, Instruction, Laboratory Experiments, Laboratory Procedures
Peer reviewedKaplan, Lawrence J. – Journal of Chemical Education, 1976
Describes a set of biochemistry laboratory experiments in which tetrameric hemoglobin is separated into its subunits then formed again by recombination of the subunits. (MLH)
Descriptors: Biochemistry, Chemistry, College Science, Higher Education
Peer reviewedMueller, Jo Anne – American Biology Teacher, 1975
Explains the techniques of experimenting with the protozoan Colpoda cucullus to learn about its habitats, dispersal and adaptations. (LS)
Descriptors: Biology, Instruction, Laboratory Experiments, Science Activities
Peer reviewedAgius, G. – School Science Review, 1975
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science
Peer reviewedHolman, J. S. – School Science Review, 1974
Describes an experiment that gives useful insight into ideas of solvation and polarity of solvents. (GS)
Descriptors: Chemistry, Heat, Laboratory Experiments, Science Activities
Peer reviewedRandle, F. A. – School Science Review, 1974
Descriptors: Laboratory Experiments, Photography, Physics, Radiation
Peer reviewedMiller, Kenneth J. – Journal of Chemical Education, 1974
Descriptors: Chemical Analysis, Chemistry, College Science, Instructional Materials
Peer reviewedDaines, Terri L.; Morse, Karen W. – Journal of Chemical Education, 1974
Descriptors: Chemistry, College Science, Instructional Materials, Instrumentation
Young, Brent R.; van der Lee, James H.; Svrcek, William Y. – Chemical Engineering Education, 2006
Experience in using a user-friendly software, Mathcad, in the undergraduate chemical reaction engineering course is discussed. Example problems considered for illustration deal with simultaneous solution of linear algebraic equations (kinetic parameter estimation), nonlinear algebraic equations (equilibrium calculations for multiple reactions and…
Descriptors: Laboratory Experiments, Computer Software, Undergraduate Students, Problem Solving
