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Traces the development of maps and of geodetic ideas from pre-scientific guesses to the present. Discusses the size, shape, and rotation of the earth and the position of the earth relative to its axis of rotation. Explains the use of the moon and artificial satellites as geodetic tools.
Teaching Film Custodians abridged classroom version of a Cavalcade of America television series episode, "The Ship That Shook the World" (season 3, episode 19), which first aired March 29th, 1955 on ABC-TV. When news is received that the Confederacy is converting the captured Union ship, Merrimac into an iron-armored ship to break the Union blockade of Southern ports, Captain John Ericsson, a naturalized citizen of Swiss birth, convinces a Navy Board to accept his specifications for a warship of revolutionary design, compared to a "cheesebox on a raft" by president Lincoln. On March 8, 1862, the Merrimac demolishes three conventional Union warships in Chesapeake Bay. The Monitor's shakedown cruise was interrupted for the history-making encounter with the Merrimac at Hampton Roads on March 9, 1862. The Monitor disables the Southern ironclad, forces it to withdraw never to fight again, and saves the blockade. The success of the Monitor revolutionizes naval warfare throughout the world.
Made as a warning to the English people, this film re-enacts, in a Welsh mining town, the events that took place in the Czechoslovakian mining town of Lidice, which resisted the Nazis in subversive ways and was eventually wiped out. Jennings gives a romantic portrait of town life which is interrupted by the arrival of the Nazis who remain anonymous enemies.
British Ministry of Information, Soviet War News Film Agency, Central News Reel Studios, Moscow
Summary:
A Soviet-British co-production reporting to the Allied nations on the lives of children in the Soviet Union, providing "a glimpse of the Soviet child from infancy to high school." Portrays an idyllic and well organized system for educating and caring for the 35 million Soviet children of the day. The scholastic, athletic, and creative accomplishments of Soviet youth are shown.
Explains and illustrates the use of the Stanford-Binet test in the context of a school guidance program; indicates its accuracy of measurement; and how the results may be properly used. Gives the advantages and disadvantages of group and individual testing and emphasizes the basis of intelligence testing as a relative standing in relationship to standardized norms. The case of one child is followed, showing his classroom problems, the administration and scoring of his test, and the relating of his test scores to other data on him in a meeting of the various members of the school guidance staff, where a procedure is outlined for adjusting the curriculum and the individual to achieve educational and personal adjustment.
Discusses the possible inflation and unemployment to come after World War II as happened after World War I. Emphasizes rationing and thrift as weapons to combat inflation before it occurs.
The unit of life –the cell: history of the concept; validity of the concept; variations of size, form and function; limitations of a cell; details of structure and function; special features of plant cells, nuclear control of cellular activity, particularly reproduction (mitosis)
Dr. Ray Koppelman discusses the nucleus of the cell, explaining it's structural makeup, its function, and the ways in which it gives directives to the rest of the cell to carry out growth and reproductive functions.