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451. Work and energy (29:29)

Date:
1958
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Summary:
The principle of work is introduced and the different systems of units commonly used for measuring work done are compared. Potential energy and kinetic energy are defined, and visual aids are used ...

452. College can be killing (59:22)

Date:
1978
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Summary:
Examines the issue of suicide among college students, reporting on its increasing rate and exploring contributing factors such as academic pressure, stress, and anxiety within the college environme...

453. Composition of velocities (27:56)

Date:
1958
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Summary:
Methods for finding the resultant motion of a body moving with two velocities simultaneously are presented. Boat and plane models are used to illustrate the basic principles of simultaneous velocit...

454. The Pacific : discovery and development (11:29)

Date:
1950
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Summary:
Portrays and explains, by means of animation, the role played by the Pacific Ocean in international affairs. Shows the growth of man's knowledge of the Pacific through the voyages of the early expl...

455. The nation's resources (29:06)

Alternative title:
American business system
Date:
1963
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Summary:
Explains the role of the nation's productive resources, including land, labor, capital, and entrepreneurial or managerial talent, in the production of goods and services. Uses examples from South C...

456. Navajo rug weaving (16:23)

Date:
1970
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Summary:
The Navajo rug-weaving process begins with sheepshearing, followed by carding and hand-spinning the wool into yarn. The yarn is then dyed using handmade dyes. Weavers set up a loom and employ intri...

457. George Washington (18:38)

Date:
1951
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Summary:
Traces the development of the qualities and skills which made George Washington the builder of the American nation. Portrays events of his boyhood and during the French and Indian Wars: illustrates...

458. Gandhi (26:21)

Date:
1959
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Summary:
Highlights events in the life of Mohandas K. Gandhi between 1930 and 1948 and recounts his role in the struggle to free India from British colonialism. Treats his philosophy of passive resistance a...

459. Children Who Draw Pictures (37:48)

Date:
1959
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Summary:
Through free expression art activities, a teacher shows how children think, feel, and develop in a year at a Japanese school. Selects pupils from a first-grade class and traces their personality gr...

460. Getting Along with Parents (14:17)

Date:
1954
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Summary:
Uses the home experiences of six high school youngsters to portray and analyze the conditions leading to conflict between parents and their adolescent offspring. Shows how a group plan to go to th...