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Peer reviewedNeie, Van E. – School Science and Mathematics, 1973
Descriptors: Density (Matter), Instruction, Physical Sciences, Physics
Peer reviewedAntikainen, P. J. – Journal of Chemical Education, 1973
Descriptors: Acids, Chemical Analysis, Chemistry, Chromatography
Peer reviewedBurt, Norman E. – Journal of Chemical Education, 1973
Descriptors: Chemistry, Chromatography, Instruction, Instructional Materials
Peer reviewedMills, Jerry L.; Flukinger, Larry C. – Journal of Chemical Education, 1973
Descriptors: Chemical Equilibrium, Chemistry, College Science, Instruction
Peer reviewedPetitjean, Herbert; Wilson, Jerry D. – Science Teacher, 1973
Descriptors: Elementary School Science, Equipment, Physical Sciences, Physics
Peer reviewedBurrows, J. – School Science Review, 1973
Describes a laboratory method suitable for senior high school classes for investigating possible mechanisms of catalytic function. The Harcourt-Essen reaction is used to demonstrate a catalytic process that can be investigated quantitatively by standard kinetic methods. (JR)
Descriptors: Chemical Reactions, Chemistry, Laboratory Experiments, Laboratory Techniques
Peer reviewedHodson, D. – School Science Review, 1973
Suggests that the Friedel-Crafts reaction, used for synthesizing a wide range of aromatic compounds, is an ideal vehicle for extended senior high school project work in chemistry. Provides a theoretical discussion of the reaction, suggests a number of suitable investigations, and outlines the experimental details. (JR)
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Science Activities
Peer reviewedTatton, Hyrum W. – Science Activities, 1973
The use of 10cc. syringes in high school chemistry experiments can reduce the expense of equipment and lead to imaginative experimental designs. Describes the equipment and experimental procedures for four experiments utilizing syringes. (JR)
Descriptors: Chemistry, Laboratory Equipment, Laboratory Procedures, Science Activities
Peer reviewedMurphy, James E. – Science Activities, 1973
Describes some of the causes and consequences of particulate air pollution. Outlines the experimental procedures for measuring the amount of particulate materials that settles from the air and for observing the nature of particulate air pollution. (JR)
Descriptors: Environmental Education, Instructional Materials, Laboratory Procedures, Pollution
Peer reviewedStarr, Richard R. – Journal of Geological Education, 1973
Describes methods using basic trigonometry which enable secondary earth science students to make astronomical calculations. The literature and mathematics available to high school students allow calculation of the earth's dimensions, which in turn permit calculation of the sun's distance. Once the sun's distance is known, stellar distances can be…
Descriptors: Astronomy, Earth Science, Mathematics, Physical Sciences
Peer reviewedO'Connor, James; Shugrue, Sylvia K. – Science and Children, 1973
Describes several activities including directions for surveying and mapping the schoolgrounds, designed to help children comprehend the meaning and significance of contour lines. (JR)
Descriptors: Class Activities, Earth Science, Elementary School Science, Geography
Peer reviewedCohen, Michael R. – Science and Children, 1973
Discusses the nature of the open classroom, and describes the behavior of students involved in science activities in an open classroom situation. (JR)
Descriptors: Elementary Education, Elementary School Science, Open Education, Science Activities
Peer reviewedNechamkin, Howard – Science Teacher, 1973
Descriptors: Chemistry, Laboratory Procedures, Metals, Recycling
Peer reviewedRichards, Sumner F.; Smart, Peter – Physics Teacher, 1973
Discusses the preparation and implementation of a study project designed by Lexington High School students to observe the 1972 eclipse at Prince Edward Island, Canada. Included are two graphs showing the respective time dependence of shadow-band amplitudes and solar magnitudes. (CC)
Descriptors: Astronomy, Instruction, Physics, Science Activities
Peer reviewedBroman, Lars – Physics Teacher, 1973
Descriptors: Astronomy, Earth Science, Instructional Materials, Laboratory Experiments
