Airplanes: Principles Of Flight (1960) Animation and actual in-flight photography demonstrate the aerodynamic principles of flight. Explains that the principles which govern movement of a avgeeks1and1 August 7, 2021 0 0
Adaptation Of Plants And Animals (1957) Illustrates the adaptations of living things to environment, for food-getting, and for protection. Observes a variety of plants and animals avgeeks1and1 August 7, 2021 0 0
Acids Bases And Salts (1959) Surveys the early theories of Arrhenius and later theories f Brensted, Lowry, and Lewis. Uses the Arrhenius or classical definition avgeeks1and1 August 7, 2021 0 0
Viruses: Threshold Of Life (1967) With the electron microscope, tissue cultures and advanced experimental procedures, explores the nature of viruses, their structure and behavior and avgeeks1and1 August 7, 2021 0 0
The Human Body: Sense Organs (1965) Shows the different types of sensory receptors and how they function. We digitized and uploaded this film from the A/V Geeks avgeeks1and1 August 7, 2021 0 0
North American Regions: The Central Lowlands (1967) Points out that the Central Lowlands produce more automobiles, farm machinery, and industrial and electrical equipment, and grow more corn avgeeks1and1 August 7, 2021 0 0
Liverwort: Alternation Of Generations (1974) Close-up and time-lapse photography enables us to examine the liverwort, Marchantia, a standard example of alternation of generations. The role avgeeks1and1 August 7, 2021 0 0
Colonial Life And Crafts (1966) Shows reenactments of some of the crafts practiced during the Colonial period as they are still being done in Colonial avgeeks1and1 August 7, 2021 0 0
Health Heroes: The Battle Against Disease (1959) Outlines the contributions of Van Leeuwenhoek, Jenner, Pasteur, Koch and Lister in the fight against disease. We digitized and uploaded this avgeeks1and1 August 7, 2021 0 0
Everyday Courtesy (2nd Ed, 1967) A study of consideration of other people as manifested in speaking and listening, in situations involving introductions, in extending and avgeeks1and1 August 7, 2021 0 0
Competition In Business (1961) Explains the concepts underlying business competition and shows how competition and its key factor, variety, are basic to the free avgeeks1and1 August 7, 2021 0 0
Citizenship And You (1959) We learn about different aspects of citizenship and how even the young people can contribute. We digitized and uploaded this film avgeeks1and1 August 7, 2021 0 0