Acid rain : teacher's guide, grades 6-10
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Bibliographic Information
Acid rain : teacher's guide, grades 6-10
(GEMS guides, . Teacher's guides)
Great Explorations in Math and Science (GEMS), Lawrence Hall of Science, University of California at Berkeley, 1999, c1990
Repr. with revisions, 1999
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"Skills, observing, ..., concepts, acid, ..., themes, systems and interactions, ..., nature of science and mathematics, scientific community, ..., time, eight 50-minute sessions"