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Explains that bacteriology is an area in the field of biology concerned with microscopic forms of life. Shows by photomicrography examples of protozoa, algae, molds, yeast, and bacteria, and throu...
Uses animation to demonstrate the meaning of (a + b)² in a way intended to convey to students the idea that algebraic statements have concrete meaning and visual form.
Describes some of the known bacteria that are found in the air, in liquids, and in the soil. Explains that among the many kinds of bacteria some are harmful to man while others are beneficial. De...
Portrays the experiences of a boy and a girl going by boat from Albany, down the Hudson River, to New York City. Along the way, the children see many types of water craft, including a sailboat, a ...
National Motion Picture Company Indianapolis and “produced under the auspices of the New York State Department of Health”
Summary:
An educational film about social work for babies in Indiana, during a
time when better health services for American families was becoming a critical need.
A travelogue-type film which shows some of the famous castles which gave Castille its name; includes the Alhambra, some historic monasteries, and the Gothic Cathedral of Burgos. With few exceptions...
A scientific study of the physical, chemical and biological aspects of the oceans. Presents current views of the character and dynamics of oceans and explains the scope, objectives, and problems of...