21. Lenses (09:57)

Date:
1950
Summary:
Explains the effects of lenses on light, and shows the construction and use of a lens. Pictures the types of images formed by convex and concave lenses when an object is placed at varying distances from the lens. Shows the use of lenses in cameras, microscopes, and telescopes.

22. Let's make a meal in twenty minutes (04:44)

Date:
1950
Summary:
Shows how Sally can, in an emergency, prepare a hot meal quickly, using her mother's ready supply of canned and frozen foods. The narrator emphasizes the correct use of the proper utensils, the time-saving advantage of a modern gas range, and the importance of intelligent marketing.

23. Pale Horseman (21:41)

Date:
1950
Summary:
Shows the relation between the aftermath of war and the "pale horseman," epidemic disease. Discusses the plight of 100,000,000 displaced persons soon after World War II and the activities of UNRRA.

24. Reflections no. 11 (06:48)

Date:
1950
Summary:
Patterns of light reflected from variColored plastics dance and flicker, giving the impression of an abstract ballet. There is instrumental and vocal accompaniment. Made by Jim Davis, an American artist in plastics.

25. Renaissance architecture (14:52)

Date:
1950
Summary:
Portrays the development of architectural form and line as illustrated in the Renaissance castles of the Loire Valley.

26. Scandinavia (Norway, Sweden, Denmark) (15:19)

Date:
1950
Summary:
Uses regular photography and animation to present the physical characteristics, the people, and the natural resources of Norway, Sweden, and Denmark. Follows the activities of two men--John Bergesen, farmer and first officer of the freighter Arcturus, and Olaf Thorson, a typical industrial worker of Gothenburg, Sweden.

27. Seashore life (11:10)

Date:
1950
Summary:
Studies inhabitants of the three kinds of seashores--the sandy beach, the rock pool, and the mud flat--beginning with the sea gull. Shows close-ups of sea weeds; then pictures in their natural habits the starfish, sea urchin, sea cucumber, butterfish, squid, razor clam, skate, and sea raven. Explains how they are adapted to their environment, and how they move, feed, and compete with other animals.

28. Seed Dispersal (14:50)

Date:
1950
Summary:
Uses time-lapse photography to demonstrate the scattering of seeds by wind, water, humans, and animals.

29. Taliesin-West (10:22)

Date:
1950
Summary:
Scenes of Frank Lloyd Wright's home near Phoenix, Ariz., illustrating his basic principle that buildings should blend with their natural surroundings. This home is built of boulders and redwood trusses that support canvas-covered roof flaps.

30. Testing intelligence with the Stanford-Binet (18:12)

Date:
1950
Summary:
Shows excerpts from four tests: two six-year olds (I.Q.s 104 and 156) and two ten-year-olds (I.Q.s 100 and 80). Indicates techniques of rapport and standardized administration. Concepts and computation of M.A. and I.Q. presented in detail. An introduction to Stanford-Binet; not intended to teach competent administration.