Our Round Earth - How It Changes
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Shows forces that change the land, and uses demonstrations with clay models to compare views of molten lava, earthquakes and giant cracks in the earth's surface.
More in Our Round Earth Series
- Our Round Earth - How It Changes 1971
- Our Round Earth - Its Atmosphere 1971
- Our Round Earth - Its Land 1971
- Our Round Earth - Its Waters 1971
- Our Round Earth - What It's Like 1971
- Our round earth: What it's like 1971
Related films
Sources
- 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, description
- 16mm Filmography (legacy record) — creator, sound, catalog record
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