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The concept of the potential power of water is introduced by an explanation of the water cycle. Traces the development of water power in the United States from the small mill to Boulder Dam and the Tennessee Valley. Shows the transformation of potential energy of waterfalls into kinetic energy through a hydroelectric plant.
This program deals with water pressure. Uncle Wonder shows the various experiments that water has weight and that water exerts pressure in all directions. He shows why there is more water pressure at the bottom of the lake or can of water than anywhere else. He also explains that dams are thicker at the bottom than at the top because they must hold back more pressure at the bottom.
A man talks about the different types of suburban homes that Wausau can make. Wausau can also build a family a home that reflects their needs and price.
Unit 9 from the Agency for Instructional Technology series Principles of Technology. Examines the physics of waves and vibrations as applied to different systems.
Two boys help each other develop good habits, one in softball, the other in his personality. Steps in habit formation are explained as identifying the problem, getting help from others, starting promptly to practice the habit, and not slipping back. Various examples of good habits summarize the topic.
Depicts the development of Faridabad, a city planned by American city planners and built under the leadership of the Indian Cooperative Union. Opens with scenes of an Indian refugee camp that show the poverty and hopelessness permeating the inhabitants and proceeds to show the building of a complete city by the people with the aid of the Union. Portrays the growing industry in the new city and its increasing influence on surrounding villages.
Episode 3 of Trade-offs, a series in economic education for nine to thirteen year-olds that consists of fifteen 20-minute television/film programs and related materials. Using dramatizations and special visuals, the series considers fundamental economic problems relevant to everyday life. In its first year, Trade-offs was used by approximately 500,000 students and their teachers in about 25.000 fifth and sixth grade classrooms. This more than quadrupled the amount of teaching of economics as a subject. Trade-offs was produced under the direction of AIT by the Educational Film Center (North Spring-field. Virginia), The Ontario Educational Communications Authority, and public television station KERA, Dallas. Programs were available on film, videocassette, and broadcast videotape. Trade-offs was developed cooperatively by the Joint Council on Economic Education, the Canadian Foundation for Economic Education, the Agency for Instructional Television, and a consortium fifty-three state and provincial education and broadcasting agencies.
Episode 7 from the Agency for Instructional Television series American Legacy. Host John Rugg shows the mass production of bicycles and automobiles in order to foster an understanding of the importance of the assembly line in American manucaturing. Highlights the ingredients and techniques of making iron and steel. Discusses the innovations of Henry Ford and Thomas Edison.
Discusses folklore connected with crime, pointing out that a slight correlation may exist between criminality and the weather, phase of the moon, fire, darkness, and light. Uses vignettes to show how bad weather and dimly lit areas serve as secondhand causes of crime. Features Dr. Douglas M. Kelly.
Shows the role of the large drifting air masses of the earth's atmosphere in causing over-all weather changes. Concentrates on the U. S. weather changes resulting from air masses drifting from the polar and tropical regions. Emphasizes the six important areas where these develop. Uses animation and cloud photography to explain warm, cold, and occluded fronts.
When man faced the elements of nature, it was through his ingenuity and the use of his hands that he was able to weave clothing for protection. This took varying forms, from the weaving of blankets to the creation of articles of clothing. Man employed different materials for this item, depending on the environment. This program looks at the basic principles of weaving, which are the same whether the end product is a simple or complex article. Angiola Churchill and Shari Lewis explore this area of man’s creativity.
Many people fear all spiders to such an extent that they have never explored this interesting world of living things. Only a few spiders are harmful to human beings, and the other thousands of kinds are often shunned because of these. Here is a new insight into the spider, a creature with eight eyes, glands to produce several kinds of silk, and instinctual knowledge to build snares so complicated and beautiful that man has to admire their design and efficiency. On beautiful film, taken by Charles Walcott, you’ll see Charlotte, (Aranea cavatics, the barn spider that EB White wrote about in Charlotte’s Web) spin her web and catch prey. Other film sequences will show how a funnel-web spider uses her sheet web, and how a crab spider, camouflaged like a flower, needs no web at all but awaits his victim on a plant.
Uncle Wonder show that a wedge is both a simple machine and inclined plane, and he uses the wedge to separate his logs. He also shows the boys and girls that a jackscrew which is used to life automobiles is also an inclined plane and a simple machine. Uncle Wonder shows us that screws are also inclined planes and tells boys and girls that he is going to make a birdhouse; and as the series progresses, he will show the birdhouse from time to time.
In this program Uncle Wonder uses a gram scale and weighs the air in a basketball. He also shows that air has weight by balancing two balloons, one at each end of a stick, and breaking one of them, the other naturally falls to the table.
Erpi Classroom Films Inc., Lawson Robertson, Dean Cromwell, Brutus Hamilton, Amateur Athletic Union of the United States
Summary:
Demonstrations of the shot put, discus throw, hammer throw, and javelin throw are illustrated in slow motion photography. Champions in each event demonstrate fundamentals of good form. An instructional sound film.