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Peer reviewedBorcherds, P. H. – Physics Education, 1984
To demonstrate negative feedback a power amplifier is constructed from an operational amplifier together with a complementary pair of transistors as an output stage. The amplifier is developed and tested stage by stage, and at each stage the defects apparent at the previous stage are eliminated. (JN)
Descriptors: College Science, Electronics, Feedback, Higher Education
Sen'ko, Iu. V. – Soviet Education, 1973
The author discusses ways of revising presientific ideas among children, using the topic "Changes in Aggregate States of Matter" as a source for specific examples. (JH)
Descriptors: Cognitive Objectives, Experiential Learning, Physics, Science Experiments
Peer reviewedRunquist, Elizabeth A.; Runquist, Olaf – Journal of Chemical Education, 1972
The number of flies that crawl through a small hole from one chamber to another is used to demonstrate principles of chemical kinetics. (CP)
Descriptors: Chemical Equilibrium, Chemical Reactions, Demonstrations (Educational), Kinetics
Peer reviewedAdams, Richard C. – Journal of Chemical Education, 1972
The author describes a special experiment making peanut brittle and amusing activities based on chemical nomenclature used as motivational tools. (CP)
Descriptors: Chemistry, Instruction, Science Activities, Science Experiments
Peer reviewedHeimer, E. P. – Journal of Chemical Education, 1972
Descriptors: Biochemistry, Chemistry, Chromatography, College Science
Oxley, Mary B. – Teacher, 1972
A baby-food jar is the constant in this group of ten basic science experiments. (Editor)
Descriptors: Elementary School Science, Science Activities, Science Experiments, Science Instruction
Schodde, P. – South Australian Science Teachers Journal, 1971
Descriptors: Chemical Reactions, Chemistry, Instruction, Organic Chemistry
Peer reviewedVali, Gabor – American Journal of Physics, 1971
Descriptors: College Science, Heat, Laboratory Equipment, Physics
Heindel, Ned D.; Warner, Nancy C. – Sci Educ, 1969
Descriptors: Heat, Light, Physics, Quantum Mechanics
Bortz, Richard – Ind Arts Vocat Educ, 1970
The product test and an experimental approach to the guise of matter, constitutes one approach in learning about materials. (Editor)
Descriptors: Industrial Arts, Instructional Materials, Laboratory Experiments, Research
Navarette, Manuel – J Chem Educ, 1969
Descriptors: Chemistry, College Science, Laboratory Procedures, Measurement
Russo, Salvatore F. – J Chem Educ, 1969
Descriptors: Biochemistry, College Science, Laboratory Procedures, Light
Hechtlinger, Adelaide; Herman, Nettie – Amer Biol Teacher, 1969
Descriptors: Biology, Chromatography, Laboratory Techniques, Science Activities
Whitford, P. B. – Amer Biol Teacher, 1969
Descriptors: Biology, Botany, Ecology, Instruction
Peer reviewedBienenstock, Arthur; Winick, Herman – Physics Today, 1983
Discusses expanding user community seeking access to synchrotron radiation sources, properties/sources of synchrotron radiation, permanent-magnet technology and its impact on synchrotron radiation research, factors limiting power, the density of synchrotron radiation, and research results illustrating benefit of higher flux and brightness. Also…
Descriptors: College Science, Higher Education, Physics, Radiation
