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Asks why children like TV so much and debates the effects of TV on children's behavior. Dr. Maria Piers offers answers to these questions and suggests how TV can be of help to a busy mother.
A public service announcement from the U.S. Department of the Interior in which audio of children singing about going to the beach overlays a scene of a deserted beach covered with trash, dead fish, and rats. An offscreen male narrator warns that "beaches should be for people," not rats. Submitted for the Clio Awards.
A public service announcement from the University of Toronto featuring a silent scroll of text discussing the problem of noise pollution and urging the viewer to contact the university's Pollution Probe to learn more. White screens accompanied by a noisy siren bookend the text scroll. Submitted for the Clio Awards.
Source material used for the Agency for Instructional Technology series Geography in U.S. history : illuminating the geographic dimensions of our nation's development.
McRobbie-Gair Family Home Movies Collection: This home movie contains mainly footage of a large military parade in Melbourne, Australia. It is most likely of an ANZAC day parade. ANZAC day is one of the major public holidays in Australia and is held annually on April 25. It commemorates the first landings of the Australian and New Zealand Army Corps (ANZAC) at Gallipoli, Turkey, on April 25, 1915. The year of this particular parade is not yet clear though it is probably in the early 40s. But the footage of the event is particularly important as it features shots of numerous senior Australian politicians and military officers, including former Australian Prime Ministers, William Hughes and John Curtin. There is additional footage of other military parades and school sporting events very typical of the time.
Delta Films, E. H. C. Hildebrandt, Robert Pruitt, Evelyn P. Anderson, Seymour Zolotareff
Summary:
Uses examples of everyday objects to develop the basic formula V=Bh for computing the volumes of cubes, prisms, and cylinders. Builds each concept, formula, or definition through use of live action, animation, and application to a situation.
Falcon Films, E. H. C. Hildebrandt, Robert Pruitt, David Wisner, Evelyn P. Anderson, Seymour Zolotareff, Delta Films
Summary:
Uses a combination of animation and live-action photography to logically develop the formulas for determining the volume of pyramids, cones, and spheres. After reviewing the formulas for the volumes of prisms and cylinders, the volume of a pyramid with a rectangular base is determined. This is then related to pyramids with non-rectangular bases and cones, the volume of the latter being compared to a cylinder. Defines a sphere and portrays a method of determining its volume. Concludes with commercial and industrial applications of these formulas.
Wind, heat, cold, and rain combine to weather the rocks and break them down. But the face of our earth is molded and the decayed rock carried away from one place and deposited in another mainly by water. The deposits laid down by water, wind, or ice produce after long periods of time and under pressure, rocks which are classed as sedimentary. You will see and learn how to distinguish some of the common sedimentary rocks; limestone, sandstone, shale, and conglomerate. Each of these sedimentary rocks is formed in a different way; limestone by chemical precipitations, sandstone by grains of sand cemented together, shale from beds of mud or clay pressed and cemented into thin layers, and conglomerate is made of gravel or pebbles of assorted sizes cemented together. You will be introduced to one of the most interesting features of sedimentary rocks -their fossils. These records of living things are guides to the history of life on the earth.