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Download full textPalmer, W. P. – Online Submission, 1996
The concept of physical and chemical change is far from being the clearest and most self-explanatory concept in the world. If a number of chemists are asked to define physical and chemical change, there may well appear to be a fair degree of uniformity in their answers, until a few examples are suggested. When chemists are asked to place a variety…
Descriptors: Chemistry, Scientific Concepts, Knowledge Level, Textbooks
Peer reviewedRussell, William Benedict, III, Ed. – International Society for the Social Studies, 2010
The "ISSS Annual Conference Proceedings" is a peer-reviewed professional publication published once a year following the annual conference. (Individual papers contain references.) [For the 2009 proceedings, see ED504973.]
Descriptors: Social Studies, Proverbs, Social Justice, Global Approach
