Diagrams and explains by laboratory experiments the action of molecules in gases, liquids, and solids. Shows molecular action as a bulb of bromine is broken within a partial vacuum. Diagrams the force of gas molecules on the walls of a chamber. Describes the evaporation of water and explains why liquids assume the shape of their receptacles. Microscopic studies show molecular movement in solids.

National Archives Identifier: 12346

Local Identifier: 69.32

* Creator(s): Federal Works Agency. Work Projects Administration. (07/01/1939 - 06/30/1943) (Most Recent)

* From: Series : Motion Picture Films, compiled 1931 - 1937

* Record Group 69: Records of the Work Projects Administration, 1922 - 1944

* Level of Description: Item

* Type(s) of Archival Materials: Moving Images

* This item's copyright was established: 1932

The creator compiled or maintained the series between: 1931 - 1937

* Production Series: Title: Physical science series

* General Note(s): Credits: Narration, Hermann I. Schlesinger, Harvey B. Lemon.

* Contributor: Producer, University of Chicago. Made by Erpi Picture Consultants, Inc.

* Use Restriction(s): Undetermined

Sound Type: Sound

* Accession Number(s): 330