What Makes Clouds? (Earth Science Series), 1965

Film Specifications - 16mm ; Description - From Sticker inside canister; EB Films Film Guide, A 16mm sound film, 19 minutes. EB - AGI Earth Science Film Series, Grade Levels: Upper Elementary, High School ; Subject Areas: Science, Geology ; CONTENT - In this film, experiments and observation of natural phenomena provide data for an investigation of conditions which cause clouds to form in the atmosphere. Evaporation and transpiration are found to be the source of invisible water vapor which condenses on tiny particles in the air from the trillions of water droplets in a cloud. Time-lapse photography shows dramatic visual evidence of condensation by revealing how clouds appear to "materialize" in a clear sky. Has list of 18 vocabulary terms and a series of questions on the film. ; Credits listed - Collaborator: John S. Shelton, Ph.D., Chief Science Advisor, EBF - AGI Earth Science Series ; Location - Not Applicable ; Color ; Sound ; Date - 1965 ; Reel Size - 10.5" ; Approx Film Length - 750' ; Approx. Running Time - 19 min. ; Condition - Some tape residue, small piece broken off in early seconds of film. Plays well. ; Opening Credits - EBF - AGI Earth Science Series, 1965 by Encyclopaedia Britannica Films, Inc. Produced by Encyclopaedia Britannica Films and The American Geological Institute. In Collaboration with John S. Shelton, Ph.D., Chief Science Advisor, EBF - AGI Earth Science Series. Hans Neuberger, Ph.D., Pennsylvania State University ; Producer - Stanley Croner, Director - Editor - Warren Brown ; Ending Credits - Photography: I. Mankofsky ; Sound: H. William Varney ; Production: Frederic Goodich. With thanks for special assistance to: Dr. Marx Brook, New Mexico Institite of Mining and Technology, Dr. Alexander Goetz, California Institute of Technology.