Could not complete log in. Possible causes and solutions are:
Cookies are not set, which might happen if you've never visited this website before.
Please open https://media.dlib.indiana.edu/ in a new window, then come back and refresh this page.
An ad blocker is preventing successful login.
Please disable ad blockers for this site then refresh this page.
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.
Jim shows Grace how she can use algebra to find out the quantities of red and yellow paint she needs to make enough orange paint to complete some stage scenery. Demonstrates the algebraic steps of observation, translation, manipulation, and computation, and mentions other uses of algebra.
Shows in detail how the body parts of various animals are related to their eating habits. Includes such examples as the cirri of barnacles, the mouth parts and legs of crayfish, the teeth of lions and cows, the tongues of butterflies, the noses of hogs, the beaks of birds and the paws of squirrels.
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.
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.
Dr. Ray Koppelman, University of Chicago, American Institute of Biological Sciences
Summary:
Diversity of life resulting from evolution: recognition and treatment of diversity –definitions and taxonomic approaches; results of diversity in the plant kingdom; results of diversity in the animal kingdom, with particular emphasis on the evolution of man; diversity in time –divergence, convergence, extinction, the fossil record diversity in space –ecological relations in a habitat.
Emphasizes the importance of proper cleaning in the care of teeth, and illustrates how the teeth are affected by excessive use of refined sugar. Identifies the kinds of bacteria that change sugar to acid in the mouth. Demonstrates the use of sodium fluoride solution in the prevention of tooth decay and prescribes specific rules to be followed in the care of the teeth.
Encyclopaedia Britannica Films Inc., Louis W. Sauer
Summary:
Shows the day's activities of a child specialist in his office, on a home call, and at a hospital. He makes a physical examination, vaccinates a baby, visits his hospital patients, and diagnoses a case of measles.