Atomic Bomb Essay World War II started on September 3 1939‚ When Germany invaded Poland‚ two days later the war started when Britain and France declared war on Germany. But the United States did not get involved until December 7 1941 when Japan bombed a naval base called Pearl Harbor in Hawaii. In 1942 The Manhattan Project started in the United States. The project was to build nuclear weapons. It took three years to construct and test the weapons. The United States had to contact Japan and
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1- Look up the following elements and show their (atomic number‚ atomic mass‚ the symbol‚ number of electrons‚ protons and neutrons) the elements are Iron‚ copper‚ sodium‚ magnesium‚ chlorine‚ fluorine‚ carbon‚ hydrogen‚ oxygen. Element |Symbol |Atomic # |Mass # |#Protons |#Electrons |#Neutrons | |Iron |Fe |26 |26+26=52 |26 |26 |26 | |Copper |Cu |29 |29+29=58 |29 |29 |29 | |Sodium |Na |11 |11+11=22 |11 |11 |11 | |Magnesium |Mg |12 |12+12=24 |12 |12 |12 | |Chlorine |Ci |17 |17+17=34 |17 |17 |17
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The development of the atomic bomb and chemical warfare forever changed the way people saw the world. It was a landmark in time for which there was no turning back. The constant balancing of the nuclear super powers kept the whole of humankind on the brink of atomic Armageddon. Fear of nuclear winter and the uncertainty of radiation created its own form of a cultural epidemic in the United States. During these tense times in human history officials made controversial decisions such as the bombings
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This investigation will explore the question: To what extent was President Truman’s decision to the drop atomic bomb to save lives and hasten the end of World War Two? The pressures and outcomes of dropping the explosive on Hiroshima and Nagasaki in 1945‚ will be the focus of this investigation. The first source is Thomas Holmes article‚ “The Dropping of the Atomic Bombs on Japan”‚ published in 2005 in the United States. The origin is valuable because Holmes is an American historian and social studies
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John Dalton and Atomic Theory John Dalton was a British scientist who made important contributions to science and to the atomic model specifically. I. Experiences in his life that led to his interest in science and the study of the atom A. Education and teaching career brought him in contact with amateur meteorologists B. Mentors and meteorology directed his interest toward air pressure and properties of gaseous elements C. Study of elements led to interest in components of
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Hiroshima: Was Dropping the Atomic Bomb a Military Necessity? On the morning of August 6th‚ 1945 at around 8:16 a.m.‚ the United States dropped the first bomb on Hiroshima. This bomb was given the nickname “Little Boy.” Three days after the first atomic bomb was dropped‚ on August 9th‚ 1945 at around 11:02 a.m.‚ the United States dropped a second atomic bomb on Nagasaki. This bomb was given the nickname “Fat Man.” These two bombs immensely destroyed these cities and took the lives of many people
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August 6‚ 1945‚ the United States shocked the world by dropping an atomic bomb over the city of Hiroshima‚ Japan. (www.grolier.com) Hiroshima was a major industrial city with an estimated population of almost 400‚000 people. A B-29 bomber was loaded with the Atomic Bomb and left the United States Pacific air base at 2:45 a.m. local time and dropped the bomb at 8:15 a.m. The bomb was detonated one minute after being dropped. The atomic bomb‚ nicknamed "Little Boy"‚ which was dropped on the Hiroshima
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Why did the Truman Administration decide to drop the atomic bombs on Japan in 1945? There has been much debate as to why Truman elected to drop the atomic weapons on Hiroshima and Nagasaki in the summer of 1945. Historians have long debated the true purpose to which the atomic bombs were designed to fulfil upon there deployment. The Alperovitz thesis of the 1960 was accepted for many years. The thesis revolved around the idea that the atomic weapons were deployed as diplomatic tools to intimidate
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6th 1945 the United States dropped an atomic bomb on Hiroshima‚ Japan. Three days later‚ they dropped a second one on another Japanese city‚ Nagasaki. Those two bombs were first and only atomic weapons ever used in actual combat. Until atomic bombs were reported in “The New York Times”‚ most American citizens had never heard of atomic bombs. Ordinary bombs had been an important part of World War II‚ and they brought much destruction to both sides. This atomic bomb‚ the equivalent of 20‚000 tons of
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DBQ ESSAY In Europe‚ the war with Germany was over but Japan was still fighting. So the U.S could concreted on the war with Japan. The U.S had atomic bombs ready and a decision had to be made; should they sent ground forces to invade Japan or should they bomb Japan. So on August 1945 the U.S decided to drop atomic bombs on the Japanese cities of Hiroshima and Nagasaki and this created some controversy. Some people though it was a good idea to bomb Japan‚ while others say that 200‚000 innocent people
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