Start Over Date 1958 Collection National Educational Television

41. Models, molecules and mathematics (29:42)

Date:
1958
Summary:
Dr. Joel Hildebrand explains how the results of observation and experiment can be illustrated with models. Demonstrates with models of crystal and molecules. Tells how models help in understandin...

42. Scientific forecasting (29:40)

Date:
1958
Summary:
Dr. Joel Hildebrand discusses the importance of scientific forecasting. Compares forecasting through astrology, palmistry, "Laws of average," and the "business cycle" with the scientific methods o...

43. The laws of men and of nature (29:33)

Date:
1958
Summary:
Dr. Joel Hildebrand discusses the laws of men and nature. Provides examples of conservation of mass and energy. Explains the gas laws and how gases behave. Defines "principles" and "rules" and ho...

44. Interpreting the evidence (29:44)

Date:
1958
Summary:
Dr. Joel Hildebrand explains why natural "laws" tell how things may be expected to act. Provides examples using the gas laws. Uses a film sequence of molecular action. Tells how explanations of n...

45. How people differ from one another (29:06)

Date:
1958
Summary:
Demonstrates that intelligence is the most significant criterion of differences between people. Points out how I.Q. varies with socio-economic status and education. Cites research on man's produc...

46. Group Concepts of Human Birth (29:23)

Date:
1958
Summary:
Compares the reactions of Americans, the Manus of the Admiralty Islands, and the Kiriwina if the Trobriand Islands when exposed to the crisis of human birth. Uses dance routines and originally sco...

47. Character Contrast and the Episodic Principle (29:32)

Date:
1958
Summary:
Illustrates tempo and character contrast between movements of cyclic forms like the sonata and suite with Beethoven's Fifth Symphony and C-Sharp Minor Piano Sonata. Examples of the episodic princi...

48. Friction: II (15:09)

Date:
1958
Summary:
Illustrates with the principle of streamlining. Tells why friction is desirable in certain instances and undesirable in others. (WCET) Kinescope.

49. Rain (15:11)

Date:
1958
Summary:
Explains how rain if formed. Demonstrates how water vapor gets into the air, collects as clouds, and drops as rain. (WCET) Kinescope.

50. Lightning and electricity (15:02)

Date:
1958
Summary:
Explains lighting and its characteristics. Tells why lightning is first seen then followed by thunder. Demonstrates how lightning produces sound waves. (WCET) Kinescope.