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KEY STAGE 3 HISTORY THE ATOM BOMB INTERACTIVE 1930-1945 HIROSHIMA, NAGASAKI; was dropping the atomic bomb necessary? History Interactive Teaching and Learning Resources These are sample slides. There is no audio, document links or internet links in this sample. See all of our resources at www.historyinteractive.co.uk History Interactive Teaching and Learning © 2013 USSR Japan then invaded more of China from 1937 onwards. In the 1930s, Manchuria Japan1931 became more Japan Korea aggressive as it looked to build an They set up a government and renamed empire in the Asia-Pacific region. The Manchuria, Manchukuo. influence of the Japanese army in the China 1937 In 1910, They moved quickly to gain government made it more likely that Japan controlled control. The Manchurian government was powerless. Japan would take an aggressive path.Korea. first to a weakChina for Japanese JapanJapan hoped that the looked soldiers defeat the In 1931, the Japanese extra resources would Chinese and take control of and living space more resources its military for leaders decided to make them less reliant on Manchuria. conquer Manchuria. The Japanese army march Western trade. growing population. through a Chinese village as they continued their invasion of China. 6 BOMB TYPE 1 Gun-triggered type The simplest way to bring the subcritical masses together is to make a gun that fires one mass into the other. BOMB TYPE 2 Implosion-triggered type The implosion devise is made up of a sphere of U235 and PL239. When the bomb is detonated the fission reaction take place and the bomb explodes. The aim of the Manhattan Project was to make two different types of nuclear weapons; the uranium enriched large fission bomb and a more complicated plutonium bomb. During the project to develop the bomb, three young American lives were lost. TheFat Little Boy Man They called this bomb ‘Little Boy’. It had a 14.5-kilotron yield. (equal to 14,500 tons of TNT) They called this bomb ‘Fat Man’ It had a 23-kilotron yield. Key Stage 3 History The Atomic Bomb Interactive 18 Japan Surrenders Operation On 6 August 1945, a B29 Bomber called Enola Gay Coronet [Planned] dropped its atomic bomb on the city of Hiroshima. Despite The “Little Boy” detonated over the horror caused by the bomb, the Japanese did not Hiroshima on 6 August 1945. It JAPANabout The “Fat Man” detonated surrender. They wanted guarantees the protection was 28 inches in diameter and over Nagasaki on 9 August 120 inches long. On 9 August, the United1945. of their Emperor. States dropped It was 5 feet in diameter and 10.6 feetan long. an atomic bomb on Nagasaki.Tokyo Even this did not bring end to theHiroshima war. Finally, on 15 August , V.J. Day, the Japanese Emperor Hirohito announced the end of the war. Nagasaki Operation Olympic poses Tibbets [Planned] Colonel Paul W. with members of the Enola Gay's ground crew on Tinian Island. Key Stage 3 History The Atomic Bomb Interactive 30