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Newman, William L. – 1983
One of a series of general interest publications on science topics, the booklet provides those interested in geologic time with an introduction to the subject. Separate sections discuss the relative time scale, major divisions in geologic time, index fossils used as guides for telling the age of rocks, the atomic scale, and the age of the earth.…
Descriptors: Earth Science, Geology, Instructional Materials, Paleontology
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Reed, George – Science Teacher, 1986
Discussed contributions to the field of astronomy made by ancient Egyptians. Provides examples of how some of the observations made were applied to science. The use of geometry is illustrated by several calculations of celestial alignment. (TW)
Descriptors: Ancient History, Astronomy, Distance, Geometric Concepts