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Dawson, Paul Dow – Science Activities, 1974
Describes the laboratory procedures for the measurement of thermal expansion and viscosity of liquids. These experiments require inexpensive equipment and are suitable for secondary school physical science classes. (JR)
Descriptors: Grade 8, Grade 9, Laboratory Experiments, Laboratory Procedures
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McGinnis, Randy – Science Activities, 1988
Describes a hands-on activity of contour mapping for grade nine students. Provides an extension activity and four references. Presents a laboratory activity sheet containing materials, responsibilities of group members, introduction, objectives, procedures, and questions. (YP)
Descriptors: Cartography, Earth Science, Grade 9, Junior High Schools