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Vacher, Henry Leonard – Journal of Geological Education, 1989
This article presents a vector-analysis approach to the classical three-point problem in hydrogeology. Problem sets involving strike and dip, and ground water flow including computer programs (in BASIC) for their solution are given. (CW)
Descriptors: College Mathematics, College Science, Computer Assisted Instruction, Computer Uses in Education
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Frazier, Richard – Science Teacher, 1988
Describes a series of activities without conclusions to introduce scientific reasoning in a ninth grade physical science course. Uses popcorn popping to get students to think about the concepts of graphing, histograms, frequency, probability, and scientific methodology. (CW)
Descriptors: Grade 9, Graphs, Instructional Materials, Mathematics
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Podmore, Francis; Fleet, Richard W. – Physics Teacher, 1985
Describes a simple three-dimensional model of Halley's Comet orbit (which is much more informative than a two-dimensional drawing) to illustrate spatial relationships and visualize how the comet moves relative to the earth. Instructions for model assembly are given along with a template which can be photocopied and glued to cardboard. (JN)
Descriptors: Astronomy, College Science, High Schools, Higher Education
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Treptow, Richard S. – Journal of Chemical Education, 1986
Discusses the difficulties that beginning chemistry students have in understanding acid-base chemistry. Describes the use of conjugate acid-base charts in helping students visualize the conjugate relationship. Addresses chart construction, metal ions, buffers and pH titrations, and the organic functional groups and nonaqueous solvents. (TW)
Descriptors: Acids, Charts, Chemical Reactions, Chemistry
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Schultz, Ethel L. – Journal of Chemical Education, 1986
Discusses the use of the Tangent Sphere Model (TSM) in introducing chemical structure to beginning chemistry students at both the secondary school and college levels. Describes various applications of the use of such models, including instruction of the atom's kernel and valence electrons. (TW)
Descriptors: Chemical Reactions, Chemistry, College Science, Experiential Learning
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