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Peer reviewedBrush, Stephen G. – Science Teacher, 1987
Presents a chronology of scientific efforts designed to determine the age of the earth. Summarizes scientists' attempts at dating the planet's formation, including the examination of lead in the environment, the calculation of the earth's cooling temperature and time, the study of geological sedimentation and the analysis of moon rocks. (TW)
Descriptors: Biology, Chemistry, College Science, Ecology
