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Peer reviewedBates, Gary C.; Watson, Fletcher G. – Science Teacher, 1977
Described is an experiment that allows students to determine the distance to the moon by triangulation. Included is a description of parallax methods and photographic techniques. (CS)
Descriptors: Astronomy, Geometry, Instructional Materials, Moons
Peer reviewedSpeitel, Thomas W. – Science Teacher, 1991
Explains how a computer uses its vision to determine the area, edge length, width, height, and center of mass in two dimensions from photos of backlit sea shells. Includes HyperCard codes used to instruct the computer to make the calculations. (MDH)
Descriptors: Algebra, Area, Computer Assisted Instruction, Computer Science
