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Peer reviewedJonsson, Claus; And Others – American Journal of Physics, 1974
Discusses the technique of producing a grating with a spacing of 1 micron and 5 slits 50 microns long and 0.3 micron wide. Indicates that the slits are suitable for use in examination of electron diffraction patterns in the Gedanken experiment. (CC)
Descriptors: College Science, Equipment, Equipment Utilization, Laboratory Equipment
Peer reviewedde Koning, A. J. – Journal of Chemical Education, 1974
Descriptors: Biochemistry, Chemical Analysis, Chemistry, Chromatography
Peer reviewedLaVoie, Joseph C. – Developmental Psychology, 1974
The comparative effectiveness of an aversive stimulus, withholding of resources, withdrawal of love, and reasoning, when used alone and when combined with praise, was assessed in a standard laboratory punishment paradigm with first and second grade children. (CS)
Descriptors: Anxiety, Child Rearing, Communication (Thought Transfer), Comparative Analysis
Peer reviewedHowarth, O. – Education in Chemistry, 1974
Discusses an experiment which illustrates the non-mixing properties of water at normal temperature with oil because of water's strong, open-ended hydrogen bonding interactions. Examples of the mixing properties between non-interacting substances and the near-complete mixing between water and solvents with limited H-bonding capacity are also given.…
Descriptors: Chemistry, College Science, Demonstrations (Educational), Instructional Materials
Peer reviewedKoons, L. F. – Science Activities, 1974
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Physics
Peer reviewedCohen, Jordan L.; Koda, Robert T. – Journal of Chemical Education, 1974
Descriptors: Biochemistry, Chemical Analysis, Chemistry, Chromatography
Peer reviewedPhysics Today, 1973
Describes major programs carried out by the National Bureau of Standards to solve problems relating to energy resources, technological innovation, public health protection and unit standardization. (CC)
Descriptors: Energy, Laboratory Experiments, Operating Expenses, Personnel Policy
Peer reviewedAitchison, G. J. – Physics Education, 1973
Descriptors: College Science, Instructional Materials, Laboratory Equipment, Laboratory Experiments
Peer reviewedSchool Science Review, 1973
Several ideas are proposed for chemistry teachers to try in their classrooms. Subjects included are polymerization of acrylate, polymerization of styrene, conductivity, pollution, preparation of chlorine, redox equations, chemiluminescence, and molecular sieves. (PS)
Descriptors: Chemistry, Demonstrations (Educational), Instruction, Instructional Materials
Peer reviewedSchool Science Review, 1973
Ideas are proposed for physics teachers to use in their classrooms. Subjects include: alpha particles, spectrometer experiments, refractive index of glass, measurement of surface tension, projectile motion, and radiant heat. (PS)
Descriptors: Demonstrations (Educational), Instruction, Instructional Materials, Laboratory Experiments
Peer reviewedMacDuffie, D. E. – Education in Chemistry, 1973
Descriptors: Chemistry, Experiential Learning, Independent Study, Instruction
Peer reviewedTait, A., Ed. – Australian Science Teachers Journal, 1973
Includes a simple technique to demonstrate Millikan's oil drop experiment, an environmental studies experiment to measure dissolved oxygen in water samples, and a technique to demonstrate action-reaction. Science materials described are the Pol-A-Star Tomiscope, Nuffield chemistry film loops, air pucks and pH meters. (JR)
Descriptors: Chemistry, Instruction, Laboratory Experiments, Laboratory Procedures
Peer reviewedOchiai, Ei-ichiro – Journal of Chemical Education, 1973
Outlines a laboratory course entitled Inorganic Chemistry for Biological Sciences'' which is designed primarily for juniors in biochemistry, physiology, and soil sciences. Inclusion of relevant environmental topics is indicated. (CC)
Descriptors: Chemistry, College Science, Course Content, Curriculum Development
Peer reviewedMulokozi, A. N. – Journal of Chemical Education, 1973
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials
Peer reviewedSutton, Alfred – Physics Teacher, 1973
Descriptors: Astronomy, Instructional Materials, Laboratory Experiments, Laboratory Procedures
