16011. Lakes (09:57)

Date:
unknown
Summary:
Defines lakes in terms of their physical features, how they are created and destroyed, and their uses. Indicates that the size and shape of a lake may vary, but that all lakes are formed because t...

16012. Simple molds (45:30)

Date:
1954
Summary:
Shows a skilled ceramist demonstrating the step-by-step process of making simple molds of three types: slipcasting, drape, and press molds. Portrays the process from pattern-making to the complete...

16013. Microfiche, microfilm and other minutiae (10:19)

Date:
1981
Summary:
Illustrates the use of micrographics to facilitate storage and handling of printed and graphic material in libraries and other institutions. Compares the cumbersome and wasteful storage of hard cop...

16014. Energy from the sun (10:58)

Date:
1955
Summary:
Explains how most of the energy on earth is derived from the sun. Points out that light and heat from the sun are forms of energy traveling at different wave lengths. Indicates the role of the sun ...

16015. Cosmic rays (27:32)

Date:
1960
Summary:
A study of cosmic rays, how they were discovered, how they are measured, and how they affect research, especially in the fields of atomic and nuclear physics. Includes views of the atomic accelerat...

16016. Science in space (28:22)

Date:
1960
Summary:
Traces the development of space research; explains the need for satellites, rockets, and other space probes; demonstrates how such tools operate, shows how their findings are reported, and discusse...

16017. Eclipses of the sun and moon (11:33)

Date:
1966
Summary:
Describes the various types of eclipses and explains why they occure and what scientists learn from them. Uses telescopic photography to show lunar and solar exlipses. Discusses such terms as "um...

16018. Solar prominences (11:42)

Date:
1948
Summary:
Photographed at the McMath-Hulbert Observatory, near Lake Angelus, Michigan, this film presents five types of solar disturbances or prominences, including quiescent, spot, cap, quasi-eruptive and l...

16019. Origin of the solar system and Earth (30:09)

Date:
1962
Summary:
Dr. Shapley of the Harvard Observatory speaks about the origins of the solar system. Shapley was an American astronomer who deduced that the Sun lies near the central plane of the Milky Way Galaxy ...

16020. The Earth : our planet (19:57)

Date:
1953
Summary:
Describes the formation of our solar system according to the cosmic theory of creation, and explains the changes on the surfaces of the earth and the moon in terms of volcanic action. Illustrates t...