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Thomson, Robert A. – Engineering Education, 1981
Describes the author's experience with a model structure used to demonstrate the difference between the idealized behavior predicted by theory and the actual behavior of a real structure. The model is a truss bridge with a span of 1.5 meters. (Author/SK)
Descriptors: College Science, Demonstrations (Educational), Engineering Education, Force
Peer reviewedCrane, Sheldon, C.; Liu, Robert S. H. – Journal of Chemical Education, 1986
Describes an inexpensive molecular model which is small enough to manipulate and large enough to be seen by large audiences. Discusses models of atoms and double and triple bonds. (JM)
Descriptors: Audiovisual Aids, Chemical Bonding, Chemistry, College Science
