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Shannon, Dan C. – Science Teacher, 1984
Discusses a laboratory exercise (suitable for the day before spring vacation) involving use of a hard-boiled egg to stimulate student responses to questions on the effect of adding salt to the water, formation of iron sulfide, ease of peeling, and gas laws. Additional experiments are included. (BC)
Descriptors: Chemical Reactions, Chemistry, Laboratory Procedures, Science Experiments

Corner, Thomas R. – Science Teacher, 1984
Errors in determining the effectiveness of mouthwashes, disinfectants, and other household products as antibacterial agents may result from using broth cultures and/or irregularly shaped bits of filter paper. Presents procedures for a better technique and, for advanced students, two additional procedures for introducing quantitative analysis into…
Descriptors: Culturing Techniques, Laboratory Procedures, Microbiology, Science Education

Day, Gary – Science Teacher, 1971
Descriptors: College Science, Equipment, Force, Laboratory Procedures

Science Teacher, 1974
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Physical Sciences

Lamb, William G. – Science Teacher, 1984
Describes an experiment involving the preparation of copper iodide that gives stoichiometric results. Materials needed and procedures are discussed along with ideas on different ways to analyze the data. Pertinent chemical equations are presented. (BC)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, High Schools

Lamb, William G. – Science Teacher, 1985
Explains a projectile motion experiment involving a bow and arrow. Procedures to measure "muzzle" velocity, bow elastic potential energy, range, flight time, wind resistance, and masses are considered. (DH)
Descriptors: Force, High Schools, Laboratory Procedures, Motion

Nechamkin, Howard – Science Teacher, 1973
Descriptors: Chemistry, Laboratory Procedures, Metals, Recycling

Oppenheimer, Steven B. – Science Teacher, 1989
To integrate a research/discovery component into one course, an experiment using the sea urchin embryo system is introduced because the teacher manages only one organism and students provide the variables. The materials, handling methods, and experimental methods of the experiment are described. (YP)
Descriptors: Biology, College Science, Embryology, Higher Education

Darlington, C. LeRoy – Science Teacher, 1986
Identifies the characteristics and components of a quality laboratory program for secondary science students. Suggests approaches, questions, and activities that aim to provide challenging experiences in the sciences. Also provides a listing of recommended laboratory standards and procedures. (ML)
Descriptors: Laboratory Procedures, Science Activities, Science Education, Science Experiments

Pisarik, Larry; Hoff, Darrel – Science Teacher, 1973
Descriptors: Experiments, Laboratory Procedures, Physics, Resource Materials

Science Teacher, 1974
Descriptors: Chemistry, Laboratory Procedures, Photography, Physical Sciences

Talesnick, Irwin, Ed. – Science Teacher, 1974
Descriptors: Biology, Chemistry, Laboratory Procedures, Physical Sciences

Lamb, William G. – Science Teacher, 1984
Discusses the rationale for using photochemistry to merge descriptive chemistry and molecular orbital theory in first-year chemistry courses. Includes procedures and safety information for various activities, demonstrations, and experiments involving photochemical reactions. (DH)
Descriptors: Chemistry, Demonstrations (Educational), High Schools, Laboratory Procedures

Kimbrough, T. Daniel; Llewellyn, Gerald C. – Science Teacher, 1974
Briefly discusses the theory of fatigue, and describes ways in which the fatigue rate in humans can be measured in the classroom using a simple physiological instrument, the ergometer. (JR)
Descriptors: Biology, Exercise (Physiology), Fatigue (Biology), Laboratory Equipment

Moran, Joseph M.; Morgan, Michael D. – Science Teacher, 1973
Descriptors: Air Pollution, College Science, Environmental Education, Laboratory Procedures