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Tells the story of a boy's trip to visit friends in Costa Rica. He lives in the home of an upper-class Costa Rican family, sharing their life and activities. He goes to see the public schools, the city market, native animals in the zoo, and the large plantations. Emphasizes the similarities and differences between life in Costa Rica and the United States.
Shows how to use the gage manifold in building leak-testing pressures in a domestic refrigerator; how to test for sulphur dioxide and methyl chloride leaks; how to use the halide torch to locate freon leaks; and how to repair several types of leaks.
Shows three distinct tendencies in present-day farming: large-scale, factory-style farming with crops scientifically scheduled and treated; the cooperative technique under which small land-owners group together for more favorable production and distribution; and the way of the traditional independent farmer.
Illustrates by typical situations the three prime responsibilities of the bus operator: the safety and comfort of his passengers and people on the streets; maintenance of schedules; and a courteous, friendly, and helpful attitude toward passengers.
Encyclopaedia Britannica Films Inc., Firman E. Bear
Summary:
Shows processes of soil formation, the four great soil groups of the earth, the location of these soil groups in the United States, man's exploitation of the soil, and the major scientific farming techniques designed to replace soil fertility losses and stop erosion.
Stresses the importance of teeth in the digestive system, identifies and explains the purposes of the different teeth, and shows tooth development from infancy, the structure of teeth, how tooth decay starts, and the necessity for correct diet. A classroom film.
Presents several experiments to illustrate the characteristics of oxygen, including the effects of free oxygen upon mice and a lighted candle, the separation of liquid oxygen from liquid air, the breakdown of water by electrolysis, the freeing of oxygen from mercuric oxide by a catalyst, and the action of spontaneous combustion.
Reviews the important wartime changes and also points out their lasting effect upon the entire nation, as manufacturers planned to keep industry in the West after World War II. Offers glimpses of such Pacific Coast industries as shipbuilding, aircraft production, lumber, oil, steel, and synthetic rubber.
Shows the religious pageantry of Portugal, a country devotedly linked to the Roman Chatolic Church, and the status of education, labor, and industry. Points out that Portugal's future role among the nations of the world is still undetermined.
The Phillips "66" championship team demonstrates basketball fundamentals. Slow motion and stop motion photography are used frequently to show techniques as follow-through, pivoting, passing drill, tipping drill, defensive, offensive breaks, and the various shots.
Uses such situations as computing a baseball player's batting average and adapting a recipe to illustrate the principles and uses of ratio and proportion. Explains the terms used, the difference between ratio and proportion, and the application of the principles to gears.
George follows carefully planned preliminary operations in getting ready to type. Jane, who makes her preparations haphazardly, learns later to practice George's methods and is then ready to type with self-control and self-confidence.
Reviews the rise of Hitler to power, his broken promises, the invasion of Germany's neighbors, Germany's eventual defeat, and the Allied occupation of Germany, with its many problems which are aggravated by rigid zoning of the territory.
Compares the Columbia, Colorado, and Sacramento-San Joaquin river systems to show what man has done to utilize each to his advantage. Illustrates the adaptation of the rivers to diverse uses--as avenues of commerce, for logging and fishing, for electrical power, and water.
Includes harbor activities at the ports of San Francisco, Puget Sound, San Diego, Los Angeles, and Portland. Also shows how Los Angeles, lacking a good natural harbor, built one by erecting huge breakwaters at nearby San Pedro.
Encyclopaedia Britannica Films, inc., E. Laurence Palmer
Summary:
Joan and Jerry Johnson observe the changes on their parents' farm during the spring. Includes plants, trees, birds, farm animals, a frog, a moth, and a rabbit. Also shows some of the children's activities.
Joan and Jerry Johnson watch the growth of plants and animals on their parents' farm during the summer. They fish, watch a frog and a dragonfly, see a young robin leave its nest, help their parents, gather flowers and blackberries, watch a spider, and eat watermelon.
Presents the pros and cons of "progressive education" and points out the citizen's responsibility toward the schools. Also gives a brief history of education in the United Staes, including the present emphasis upon psychology.
