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Download full textSvec, Michael T. – 1995
Graphs of objects in motion are frequently used in introductory high school or college physics courses since they offer a valuable alternative to verbal and algebraic descriptions by offering students another way of manipulating the developing concepts. If graphs are to be a valuable tool for students, then the level of the students' graphing…
Descriptors: Computer Interfaces, Computer Uses in Education, Concept Formation, Graphs
Nakhleh, Mary B.; Krajcik, Joseph S. – 1991
Within high school chemistry the topic of acids, bases, and pH is particularly challenging because robust understanding of the topic depends heavily on the student possessing deep concepts of atoms, molecules, ions, and chemical reactions. Since knowledge is acquired and stored in a dynamic structure, it was investigated in this study how…
Descriptors: Acids, Chemical Reactions, Chemistry, Cognitive Ability
