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Foley, Arlene F. – Journal of College Science Teaching, 1984
Provided are procedures for a demonstration which illustrates the concept of summer stratification of lakes in the temperate zone as maintained by thermal resistance to mixing. The demonstration requires only food coloring, water, and common laboratory equipment. (JN)
Descriptors: Biology, College Science, Demonstrations (Educational), Ecology
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Barnard, Sister Marquita – Journal of College Science Teaching, 1984
Describes a two-semester course designed to meet the needs of future elementary teachers, home economists, and occupational therapists. Laboratory work includes homemade calorimeters, inclined planes, and computing. Content areas of the course include measurement, physics, chemistry, astronomy, biology, geology, and meteorology. (JN)
Descriptors: College Science, Computer Oriented Programs, Course Descriptions, Higher Education
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Rayner-Canham, Geoff – Journal of College Science Teaching, 1985
Describes test-tube organic chemistry procedures (using comparatively safe reagents) for the beginning student. These procedures are used to: examine differences between saturated and unsaturated hydrocarbons; compare structural isomers; and compare organic and inorganic acids and bases. (DH)
Descriptors: Chemical Reactions, College Science, Higher Education, Laboratory Procedures
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Dye, Frank J. – Journal of College Science Teaching, 1985
Outlines steps to generate cell samples for observation and experimentation. The procedures (which use ordinary laboratory equipment) will establish a short-term primary culture of normal mammalian cells. Information on culture vessels and cell division and a list of questions to generate student interest and involvement in the topics are…
Descriptors: Biology, College Science, Culturing Techniques, Cytology
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Kauffman, George – Journal of College Science Teaching, 1985
Explains: (1) the "standard" atmospheric pressure demonstration using an empty duplicating fluid can and heated water; and (2) a variation of this demonstration using an aluminum soft drink can. (DH)
Descriptors: Demonstrations (Educational), Elementary School Science, Elementary Secondary Education, Laboratory Procedures
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Tourtellotte, S. Wilson – Journal of College Science Teaching, 1990
Described is a capstone experiment which can be used to improve student skills and to illustrate for students the strong connections between chemistry and biology. Procedures and explanations for the three parts of this activity are included. Ten follow-up questions are provided. (CW)
Descriptors: Biology, Chemistry, College Science, Higher Education
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Kandel, Marjorie – Journal of College Science Teaching, 1989
Explains a scheme for grading student performance which stresses skills, technique, decision making, and notebook entries. Describes grading system and potential pitfalls. (RT)
Descriptors: Chemistry, College Science, Course Content, Grading
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Matlock, Daniel B.; Safford, Duane C. – Journal of College Science Teaching, 1989
Explains the use of the microcomputer as a multipurpose analytical instrument which frees students from the mechanics of science and allows for more active learning involvement. Provides the typical data acquisition configuration, advantages, disadvantages, and a brief summary. (RT)
Descriptors: College Science, Computer Interfaces, Computer Literacy, Computer Uses in Education
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DeLorenzo, Ronald – Journal of College Science Teaching, 1985
Presents a simple, 10-item quiz designed to make students aware that they must learn laboratory safety. The items include questions on acid/base accidents, several types of fire extinguishers, and safety glassses. Answers and some explanations are included. (DH)
Descriptors: Chemistry, College Science, High Schools, Higher Education
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Koubek, Edward – Journal of College Science Teaching, 1985
Outlines a demonstration involving weak acids and bases in aqueous solutions. A standard conductivity demonstration with a solution of acetic acid yields a barely glowing light bulb; a similar result occurs with ammonia solution. However, the bulb glows brightly when the solutions are mixed. (DH)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, College Science
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Webb, Michael J.; And Others – Journal of College Science Teaching, 1986
Discusses the rationale for and use of minilabs (requiring from 15 to 90 minutes to complete) for freshmen chemistry experiments. Provides several examples, advantages for students and instructors, and results of a questionnaire evaluation completed by 83 students. (JN)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Procedures
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Kauffman, George B.; Ebner, Ronald D. – Journal of College Science Teaching, 1985
Describes a demonstration in which gaseous ammonia and hydrochloric acid are used to illustrate rates of diffusion (Graham's Law). Simple equipment needed for the demonstration include a long tube, rubber stoppes, and cotton. Two related demonstrations are also explained. (DH)
Descriptors: Chemical Reactions, Chemistry, College Science, Demonstrations (Educational)
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Bagnara, Joseph T.; And Others – Journal of College Science Teaching, 1985
Explains an experiment in which the rotation of a patch of skin on a tadpole results in a frog with rotated spots, proving that the spot pattern is determined long before it becomes visible. Procedures used are included. (DH)
Descriptors: Biology, College Science, Genetics, Higher Education
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Johnstone, Alex H.; Letton, Kirsty M. – Journal of College Science Teaching, 1989
Examines the psychology of learning and its application to work in the laboratory. States that the working memory capacity of students is limited; therefore the amount of information they can process needs to be controlled and "recipe following" in the laboratory is perfectly reasonable. (RT)
Descriptors: Chemistry, College Science, Educational Research, Foreign Countries
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Bigelow, Gordon E. – Journal of College Science Teaching, 1989
Presents an experiment to measure the threshold limit of the adhesion of water. Discusses types of thresholds and pseudo thresholds. Provides 13 examples of thresholds in science. (MVL)
Descriptors: College Science, Fundamental Concepts, Laboratory Procedures, Physical Sciences
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