5901. The single-celled animals : protozoa (16:38)

Date:
1962
Summary:
Shows examples of each class of the phylum Protozoa through microcinematography and illustrates the theory of protozoan evolution from unicellular plants. Views the uses of the various structures in moving and in gathering food. Pictures the reaction of protozoa to temperature, acid, light, and obstructions. Explains the digestive process and asexual and sexual reproduction in protozoa. | Demonstrates theory of protozoan evolution from ancient single-celled plants. Digestion, sensitivity, movement, food gathering, and reproduction revealed through photomicrography.

5902. Planning our foreign policy : problems of the Middle East (21:25)

Date:
1954
Summary:
Defines foreign policy, identifies the major Government agencies which are concerned with it, and explains why foreign policy must be constantly re-examined. Animation and on-the-scene shots are used to show how a committee concerned with the United States' foreign policy in the Middle East analyzes the problems which it faces, breaks the problems down into their economic, military, political, and psychological components, and considers various alternatives before making recommendations for action.

5903. The President (16:55)

Date:
1955
Main contributors:
Encyclopaedia Britannica Films, Pendleton Herring, John T. Bobbitt
Summary:
Presents and dramatizes the major historical events which resulted in the emergence of the present power and influence of the Presidency. Shows the influence of Washington, Jefferson, Lincoln, Teddy Roosevelt, Woodrow Wilson, and Franklin Delano Roosevelt on the role and function of today's Chief Executive and surveys certain procedures used by the President in performing his duties.

5904. The Earth in change : the Earth's crust (16:01)

Date:
1961
Main contributors:
Encyclopaedia Britannica Films, Donald. A. Boyer, Ph.D. Science Consultant, Winnetka, Illinois, Public Schools, Laurence H. Nobels, Ph.D. Professor of Geology, Northwestern University, Eugene Derdeyn
Summary:
Portrays the many ways in which our planet is constantly undergoing changes. Shows how ice, wind, and water act to wear away the earth's surface. Illustrates its build-up by volcanic action, earthquakes, and sedimentation. Includes animation and live-action shots of earthquakes, volcanoes, and mountain building. Shows that it is possible to read the story of the earth in the rocks that have been laid down over the years.

5906. Navajo Indians (10:52)

Date:
1939
Main contributors:
See Other Contributors
Summary:
Tells the story of Taska and Alnaba, a young Navajo couple who are betrothed. Portrays their native environment and such activities as building a home, tilling the soil, tending sheep, carding the wool, and weaving it into colorful blankets. Also shows barter at a local trading post, the performance of native dances, the wedding ceremony, and the wedding feast.

5907. Jumps and pole vaults (11:16)

Date:
1938
Main contributors:
Encyclopaedia Britannica Films, inc., Indiana University Audio-Visual Center
Summary:
Demonstrates in actual competition the running high jump; running broad jump; hop, step, and jump; and pole vault. Champions are pictured in slow motion photography.

5908. Surface Tension In Fluid Mechanics (29:29)

Date:
1963
Main contributors:
Lloyd Trefethen, Educational Services Incorporated, Jack Churchill, Abraham Morochnik, John Fletcher, Alan H. Pesetsky, Charles L. White, Jr., Frank Meagher, Carol W. Landrey, John J. Barta, Myron J. Block, Peter Griffith, Alan S. Michaels, William C. Reynolds, Ascher H. Shapiro, Kevin Smith
Summary:
Presents a series of experiments to show that surfaces exert forces. Defines the fundamental boundary conditions governing the effects of these forces. Includes illustrations of nucleation, "wine tears," swimming bubbles, and high speed pictures of the breakup of water sheets and soap films. HISTORICAL SUMMARY: Several experiments to demonstrate the forces that surface tension exerts in fluids. Three boundary conditions imposed surface tension.

5909. Pressure Fields And Fluid Acceleration (31:14)

Date:
1963
Main contributors:
Ascher H. Shapiro, John Friedman, Abraham Morochnik, Richard Bergman, Charles L. White, Jr., Frank Meagher, John J. Barta, R. Paul Larkin, Arthur E. Bryson, Stephen J. Kline, Kevin Smith, Educational Services Incorporated
Summary:
Experiments in a small water tunnel demonstrates the connection between velocity flow and pressure fields, primarily in diffusers, venturis and channel bends.

5910. Summer on the farm (10:45)

Date:
1947
Main contributors:
See Other Contributors
Summary:
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.

5911. Argentina (people of Buenos Aires) (10:56)

Date:
1940
Main contributors:
Erpi Classroom Films Inc., Earle K. James
Summary:
Buenos Aires, the commercial, financial, and industrial hub of predominantly agricultural Argentina. A grain broker and a packing plant employee, with the family of the latter, are introduced as representative city-dwellers. The vast pampas regions, the source of Argentina's agricultural wealth; the dependence of the city on the rural hinterland. Spanish dialogue is periodically incorporated into the film story. An instructional sound film.

5912. A backward civilization (the Berbers of Northern Africa) (21:00)

Date:
1937
Main contributors:
Erpi Classroom Films Inc., Ellsworth Huntington, Ph.D. Yale University
Summary:
Presents study of economic and social conditions in a society isolated from the rest of the world by almost impenetrable natural barriers. Discloses representative aspects of the daily life of superstitions. Analyze the factors involved in continued existence of backward societies.

5913. Animals in winter (10:55)

Date:
1950
Main contributors:
Encyclopaedia Britannica Films Inc., Ann H. Morgan
Summary:
Discusses such animal adaptations to winter as protective coloration, storing of food, adding layers of fat, and hibernation. Shows the winter habitats of the badger, woodchuck, chipmunk, owl, rabbit, porcupine, bobcat, and fox. Describes the fluctuating seasonal changes larvae undergo.

5914. Animals growing up (11:04)

Date:
1949
Main contributors:
Encyclopaedia Britannica Films Inc., Wilbur L. Beauchamp
Summary:
Shows stages in the growth and development of puppies, a new-born calf, and baby chicks during the first few weeks of life. Illustrates how mother animals care for their young. For primary and middle grades. Collaborator, Wilbur L. Beauchamp.

5915. Athens : the golden age (30:30)

Date:
1962
Main contributors:
Arda Mandikian, Charles Kahn, Encyclopaedia Britannica Films, Stephanie Bidmead, Michael Aldridge, Nicholas Hawtrey, Edwin Richfield, Tony Thawnton, Douglas Campbell, C. Walter Hodges, Robert Johnson, Michael Livesey, Robert A. Goodwin, Donald Moffat, John Barnes
Summary:
Outlines the major aspects of Athenian life which contributed to the "Golden Age." Describes these aspects as the energy and intelligence of the people; the outstanding leadership and popular government; and the relationships between Athenian citizenship, religion, and art. Artifacts and models are used to aid in the clarification of concepts presented by Charles Kahn of Columbia University. Distills those aspects of Athenian life which made the Golden Age workable.

5916. Working Together (Specialization and the Division of Labor) (20:01)

Date:
1978
Main contributors:
National Instructional Television
Summary:
Episode 6 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 Springfield. 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.

5917. Conquest of the spoon (14:33)

Date:
1946
Main contributors:
Arnold Gesell
Summary:
Explains that spoon feeding is a more complex behavior than feeding from a cup, and points out that the spoon is a complicated tool requiring fine manipulative skills for its efficient use. Describes the baby's development of these skills which take years to perfect. Historical Summary: Shows the early difficulties which the baby faces in getting food from a spoon, his increasing skill in receiving food, his desire to play with an empty spoon while being fed, early and generally unsuccessful attempts at self-feeding with a spoon, and gradual improvement in skills to the age of five.

5918. Control of body temperature (11:00)

Date:
1940
Main contributors:
Erpi Classroom Films Inc., A.J. Carlson, F.J. Mullin, H.G. Swann
Summary:
Explains the regulation of body-temperature. Contrasts constant temperatures of warm-blooded animals with fluctuating temperatures of cold-blooded ones. Reveals the relationship of body heat to energy furnished by foods, and depicts the blood stream as a heat distributor. Illustrates body heat loss, and regulation by radiation, conduction, and evaporation. Depict the function of hypothalamus in regulating body temperature. For high school, college, and adult groups. Historical Summary: Explains the mechanism of body-temperature regulation by radiation, conduction, and evaporation. Contrasts the constant temperatures of warm-blooded animals with the fluctuating temperatures of cold-blooded ones. Reveals the relationship of body heat to energy furnished by foods, and depicts the blood stream as a heat distributor. Also shows the function of the hypothalamus in regulating body temperature.

5919. Eat for health (10:57)

Date:
1954
Main contributors:
Encyclopaedia Britannica Films Inc., James R. Wilson, Hal Kopel
Summary:
Ralph learns that eating can be fun and eating the right foods each day will help him to become healthy. He recalls the food rule that he learned in school by using each of his five fingers for a kind of food. After following the rule for a time, he notices a gradual change for the better in himself.

5920. Light waves and their uses (11:13)

Date:
1957
Main contributors:
Encyclopaedia Britannica Films, H. Horton Sheldon
Summary:
Illustrates the principles of reflection with reference to plane, concave, and convex mirrors; refraction with special reference to the human eye; and the principles of interference, the polar screens, the electromagnetic spectrum, and the quantum theory.