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Slide 2 KEY STAGE 3 HISTORY THE ATOM BOMB INTERACTIVE 1930-1945 HIROSHIMA, NAGASAKI; was dropping the atomic bomb necessary? Slide 3 History Interactive Key Stage 3 History ATOMIC BOMB INTERACTIVE These are sample slides. There is no audio, document links or internet links. History Interactive Slide 4 66 In 1931, the Japanese military leaders decided to conquer Manchuria. Japan hoped that the extra resources would make them less reliant on Western trade. They moved quickly to gain control. The Manchurian government was powerless. They set up a government and renamed Manchuria, Manchukuo. Manchuria Korea Japan China USSR In 1910, Japan controlled Korea. Japan then invaded more of China from 1937 onwards. 1937 1931 In the 1930s, Japan became more aggressive as it looked to build an empire in the Asia-Pacific region. The influence of the Japanese army in the government made it more likely that Japan would take an aggressive path. Japan first looked to a weak China for more resources and living space for its growing population. Slide 5 History of the bomb What was Albert Einsteins role in the development of the bomb? In 1905, Albert Einstein, a German Jew, discovered that a large amount of energy could be released from a small amount of matter. However, a bomb was not in his mind because he considered himself a pacifist and wouldnt fight in a war no matter the cause of it.matter In 1933, Hitler came to power in Germany. This caused fear and hatred among Jewish people including Einstein who changed his position on fighting and fled Germany for a new life in America. In 1938, Germany began early steps in developing an atomic bomb by splitting an uranium atom. Germany was also becoming more aggressive. Physicists Leo Szilard and Eugene Winger became concerned with the recent aggression by Germany. They wrote a letter to President Roosevelt with Einsteins signature. This letter stated that Germany was trying to develop an atomic bomb and America should do the same. What was Albert Einsteins role in the development of the bomb? In 1905, Albert Einstein, a German Jew, discovered that a large amount of energy could be released from a small amount of matter. However, a bomb was not in his mind because he considered himself a pacifist and wouldnt fight in a war no matter the cause of it.matter In 1933, Hitler came to power in Germany. This caused fear and hatred among Jewish people including Einstein who changed his position on fighting and fled Germany for a new life in America. In 1938, Germany began early steps in developing an atomic bomb by splitting an uranium atom. Germany was also becoming more aggressive. Physicists Leo Szilard and Eugene Winger became concerned with the recent aggression by Germany. They wrote a letter to President Roosevelt with Einsteins signature. This letter stated that Germany was trying to develop an atomic bomb and America should do the same. Learning Outcomes By the end of this section you will learn about the history of the atomic bomb from the early bomb theories, the different types and its secret development. You will know about some of the key people involved in making the bomb and why Einsteins letter warning about Germanys development of the bomb was important. Read the learning outcomes first. 13 Key Stage 3 History The Atomic Bomb Interactive Albert Einstein Slide 6 30 Nagasaki Hiroshima Tokyo JAPAN The Little Boy detonated over Hiroshima on 6 August 1945. It was 28 inches in diameter and 120 inches long. The Fat Man detonated over Nagasaki on 9 August 1945. It was 5 feet in diameter and 10.6 feet long. Operation Olympic [Planned] Operation Coronet [Planned] Key Stage 3 History The Atomic Bomb Interactive Japan Surrenders On 6 August 1945, a B29 Bomber called Enola Gay dropped its atomic bomb on the city of Hiroshima. Despite the horror caused by the bomb, the Japanese did not surrender. They wanted guarantees about the protection of their Emperor. On 9 August, the United States dropped an atomic bomb on Nagasaki. Even this did not bring an end to the war. Finally, on 15 August, V.J. Day, the Japanese Emperor Hirohito announced the end of the war.V.J. Day Japan Surrenders On 6 August 1945, a B29 Bomber called Enola Gay dropped its atomic bomb on the city of Hiroshima. Despite the horror caused by the bomb, the Japanese did not surrender. They wanted guarantees about the protection of their Emperor. On 9 August, the United States dropped an atomic bomb on Nagasaki. Even this did not bring an end to the war. Finally, on 15 August, V.J. Day, the Japanese Emperor Hirohito announced the end of the war.V.J. Day Slide 7 The Japanese estimated 75,000 were killed and 70,000 out of 76,000 buildings in the city were destroyed. Also, by 1946, 90,000-140,000 had died due to injuries and radiation.radiation The Japanese estimated 75,000 were killed and 70,000 out of 76,000 buildings in the city were destroyed. Also, by 1946, 90,000-140,000 had died due to injuries and radiation.radiation 31