Magnetic, Electric, And Gravitational Fields.
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Illustrates the existence of the magnetic field by bringing a compass close to a magnet and watching the compass needle line up in the same direction as the filings under it. Demonstrates the electric field by rubbing a plastic rod with fur, after which it can attract other objects. A series of live-action situations and animated drawings indicate that the earth, like all objects, is surrounded by a gravitational field, attracting objects toward the center of the earth.
Complete catalog record
Magnetic, Electric, And Gravitational Fields. Encyclopaedia Britannica Films. 11 Min., Sd., Color, 16 Mm. (Science For The Space Age: Basic Physical Science Series) © Encyclopaedia Britannica Films, Inc.; 5sep61; Mp12015.
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Sources
- 16mm Filmography (legacy record) — title, year, creator, format, color, sound, genre, catalog record
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description
Original permalink · Record added 2023-02-26 23:14:06