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Continues work on the first step of learning "SH", blunting the tongue, at the "Imitation Stage." Shows the pupil achieving a better approximation of pulling the tip into the body of the tongue, and finally achieving correct blunting by keeping the tongue blunted and forward.
Depicts a second pupil beginning to learn "SH" through in-depth teaching, starting with Step 1--blunting--at Face A of the speech model. Examines the pupil's blunting error (pulling the whole tongue back) and his first approximate correction of the error, achieved through shaping.
Continues the discussion of infant feeding begun in MAKING A FORMULA and introduces a mother and a baby-sitter who discusses with a doctor some of the problems and practices in baby-sitting. Points out the desirability of a pre-sitting meeting of mother, sitter, and baby.
The Navajo rug-weaving process begins with sheepshearing, followed by carding and hand-spinning the wool into yarn. The yarn is then dyed using handmade dyes. Weavers set up a loom and employ intricate weaving techniques to create the rug. The process concludes with finishing the weave to complete the rug.
Uses drawings and dissected specimens to compare the nervous systems in hydra, planaria, earthworms, and grasshoppers and shows the response of a paramecium, euglena, amoeba, hydra, and planaria to stimuli. Points out the spinal cord, spinal nerves, and parts of the brain in a freshly dissected pig and makes comparisons between the parts of the brain in frogs, birds, cats, and humans. Illustrates through still and animated drawings the basic elements of the neuron and the pathway of the nerve impulse during a reflex arc.
Uses animation to illustrate the versatility of the triangular shape. Shows a single triangle dividing, re-dividing, and re-forming into colorful representations of symmetrical and asymmetrical shapes, including stars, cubes, rhombuses, and parallelograms. Concludes with the multitude of forms returning to the basic triangle.
Presents a factual summary of the basic United Nations Organization program for world security in 1945. Clarifies the structure, analyzes the plans, and shows how, by joint action to solve relief, food, and money problems, the world can be rid of conditions that breed war.
Uses photomicrography and time-lapse sequences to reveal the research technique of nuclear transplantation. Shows how nuclei are transplanted from donor body cells into activated eggs.
Explains the set-up and operation of the Kodak Pageant motion picture projector. Shows proper placement of components for effective use, threading, focusing, and centering the picture on the screen. Shows techniques for rewinding, forward and reverse opertion, cleaning, and lamp replacement.
Demonstrates the operation and care of the RCA 400 16mm sound projector. Presents detailed instructions for setting up the Junior and Senior models and for initial adjustment, threading, operating, rewinding, and packing up projectors. Demonstrates the cleaning and lubrication procedures for the two projectors and the replacement of tubes in the amplifier section.
