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A second-grader's experiences during a day without numbers cause him to want to study arithmetic and to realize the value of numbers in his everyday living. All the class but Bob enjoy arithmetic. When a puppet with magic powers offers Bob a day without numbers, he gladly leaves the classroom with the puppet. A series of frustrating experiences caused by the magical disappearance of numbers, such as the disruption of an exciting baseball game, results in Bob's gladly returning to the classroom and the study of arithmetic.
Depicts the five major groups of algae, showing growth, movement, reproduction, and nutritional patterns. Describes the tremendous size range of algae from the giant kelp to the minute forms found in a drop of pond water. Discusses the evolutionary development and the economic and ecological importance of the algae.
Columbia Pictures Corporation, Robert Cohn, Arthur A. Ross, Nedrick Young, Will Jason, Vincent J. Farrar, James Sweeney, George Brooks, Frank Tuttle, Helen Hunt, Carter De Haven Jr., Russell Malmgren, Irving Klein, Mischa Bakaleinikoff, Wyonna O'Brien, George Coulouris, Ted Donaldson, Sharyn Moffett, John Litel, Ann Doran, Paula Raymond, Peggy Converse, Flame
Summary:
Teaching Film Custodians classroom film of excerpts from the 1948 Columbia Pictures Corporation feature film, "Rusty Leads the Way". When 10-year old Danny decides his parents exercise too strict control, he decides to run away from home. His parents help him pack and bid him farewell. Outside the front door Danny decides he has been too hasty and re-enters the house, unaware of their anxiety. The parents' ruse proves successful.
Shows a decontamination squad in England working to make the streets safe from blister gas. Demonstrates the use of anti-gas ointment, respirators, and clothing worn by crews, and explains precautionary measures.
Presents Ruth, Jump, Marjorie Gestring, and others diving from a 33-foot tower to show championship form in diving. Pictures Iris Cummings and the Hopkins twins as they demonstrate the breast stroke and crawl.
WQED, Tom Coleman, Sam Silberman, Frank Stuckman, Albert B. Martin, Dr. Peter H. Odegard
Summary:
Dr. Peter H. Odegard, head of the political science department at the University of California at Berkeley, delivers the paper he prepared at the time of the inauguration of Edward H. Litchfield as the twelfth chancellor of the University of Pittsburgh. He discusses the role that the universities of the United States must play in the country’s role in the world. He places particular emphasis on the social sciences.
Students demonstrate the procedures that may be applied to fashion a space design. Details the making of an initial sketch, a three-dimensional model, and a final structure. Shows steps in the creation of space design usng metal, plastic, and other materials. Consultant, George Barford.
Max J. Rosenberg, Ellis Katzman, Elbert C. Weaver, John A. Skarulis, William H. Pasfield, Herman J. Engel, Robert Braverman, Ross Lowell, Geraldine Lerner, Peter Robinson
Summary:
Records an experiment in which the molecular weight of a compound is determined through knowledge of the percentage composition by weight of the compound and application of Avogadro's Law. Animation is employed to show the differences in characteristics of two substances of identical composition through reference to the substances' molecular structure.
Jam Handy Organization, Division of Visual Aids, United States Office of Education, Federal Security Agency
Summary:
Shows how dimpling and countersinking prepare metal for flush riveting, how to operate a dimpling machine, and how to countersink work for flush rivets.