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561. Using the Classroom Film (23:30)

Date:
1945
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Summary:
Demonstrates with the Wheat Farmer an approved procedure for teaching with motion pictures. A seventh-grade social studies group studying how the world is fed discusses interests and problems wh...

562. Financial management (28:56)

Alternative title:
American business system
Date:
1963
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Summary:
Explores the essential functions of a financial manager in organizing and financing business enterprises, from small retail operations to large corporations. The episode illustrates these roles thr...

563. Newton's law of gravitation (29:36)

Date:
1959
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Summary:
Explains the fundamental principles behind Isaac Newton's law of gravitation and introduces the key equations associated with it.

565. Defense of peace (11:33)

Alternative title:
Defense of the peace; U.N. at work
Date:
1958
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Summary:
This episode illustrates global conflict zones in 1949 and the role of the United Nations in addressing them. It explains the structure and functions of key U.N. bodies, including the General Assem...

566. Nuclear Radiation Detectors (17:02)

Date:
1961
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Summary:
Uses live-action photography and animation to survey alpha, beta, and gamma radiation and their characteristics; the instruments used to measure these types of radiation; and the principles basic t...