Title Work Title No: 21541 Medium: Moving Image Date: 1984 (Release) Original Summary: "Considers the combining and separation of atoms in molecules that constitute chemical change, and how this differs from physical change. Shows means of causing chemical change, particularly by heat energy. Explains the importance of oxidation and shows examples." - Summary from Worldcat. Part of the Physical science series. Countries of Origin: U.S.A. Genres: Educational
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