The Atomic Bomb The US Decision to drop the atomic bomb on Japan.

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The Atomic Bomb

The US Decision to drop the atomic bomb on Japan



The Atomic Bomb

• In 1945 the United States dropped two atomic bombs on Japan

• Their purpose was to force the Japanese to surrender and end WW II

• Each bomb caused a huge amount of death and destruction in Japan.





A Letter to the President

• In 1939 Scientist Albert Einstein wrote FDR

• He told Roosevelt that it might be possible to build a new bomb, more powerful than anything ever made





The Manhattan Project

• Scientists and the Military worked on a secret project to build a nuclear bomb

• The first successful test was in the New Mexico desert in 1945





Fat Man and Little Boy

• The US made two atomic bombs

• One was called “Little Boy” and was dropped on Hiroshima

• A second was called “Fat Man” and was dropped on Nagasaki





The Enola Gay

• President Truman decided to drop the new bombs on Japan.

• He hoped the atomic bomb would end the war

• The plane that carried the bomb was the Enola Gay, named after the pilot’s mother.





The Mushroom Cloud

• The first atomic bomb was dropped by the US on Hiroshima on August 6th, 1945.

• The explosion created a mushroom shaped cloud.





Destruction of Hiroshima

• When the bomb hit it knocked down most buildings in the area.

• The fires created by the bomb also burned most of the homes made of wood and rice paper.





The Dead and Wounded

• Over 100,000 people died immediately by the blast.

• Many thousands more died of radiation sickness and cancer in the days and months after the bomb.





Japan Surrenders

• Japan surrendered after the second atomic bomb.

• World War II was ended with the defeat of Japan.





The Hiroshima Peace Park

• Today in Hiroshima there is a museum and a park to remember the victims of the first atomic bomb.



The Atomic Bomb The US Decision to drop the atomic bomb on Japan.

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Transcript of The Atomic Bomb The US Decision to drop the atomic bomb on Japan.