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Explains that anger is a natural and universal emotion and discusses ways for a child to release his anger in a socially appropriate manner. Animated sequences are used to demonstrate the effects o...
Albert V. Baez, Ph.D.; Encyclopaedia Britannica Films; Larry Yust
Summary:
Uses a variety of indirect evidence to show the existence of molecules and atoms. A series of experiments in molecular motion and formation of crystals are demonstrated. Views of crystal structure ...
Encyclopaedia Britannica Films Inc.; Paul R. Hanna; Milan Herzog
Summary:
Follows the journey of a freight train from Kansas City to Chicago. Describes the assembling of the train, shows the number of people involved in its operations, and explains why freight trains are...