The Story Of The Earth
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✎ Suggest a correctionExplores theories about the development of the earth. Suggests that it cooled from a hot liquid to become a sphere with a heavy core, a mantle and an outer layer of granite about 20 miles thick. Shows how cooling causes water in the atmosphere to condense to form oceans. Discusses erosion by rain and ice.
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- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
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