The Earth (silent, 1930s)

This 1930s educational film illustrates the interconnected forces of nature, celestial motion, and Earth’s geology through vivid animations and live demonstrations. It begins by explaining the gravitational relationship between the Earth, Moon, and Sun, highlighting the mechanics of lunar and solar eclipses. The film transitions to Earth’s geological evolution, using metaphors like a shrinking apple to demonstrate mountain and valley formation. It explores the water cycle, depicting steam, waterfalls, and rivers shaping landscapes. The film concludes with the erosion of soft soils into canyons, coal formation through sediment compression, and the dramatic impact of flooding from rivers to the sea.

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