Names
What and Where
Who
The science
100
Name given to the American programme whose task it was to construct the first atomic bomb during World War II.
What is the Manhattan project?
100
City in New Mexico where the Atomic bomb was designed and assembled.
What is Los Alamos
100
World-renowned Danish scientist involved in the Manhattan project.
Who is Niels Bohr?
100
The certain amount of fissionable material needed to be brought together to start a chain reaction.
What is a “critical mass”?
200
Code name for the test bomb detonated in the New Mexico desert in the world’s first nuclear explosion.
What is Trinity?
200
Japanese city where the first atomic bomb exploded on August 6, 1945
What is Hiroshima?
200
The physicist in charge of the Manhattan project.
Who is J. Robert Oppenheimer?
200
The first method devised to generate a nuclear explosion by firing one piece of fissile material into another of the same type.
What is the gun method?
300
Name of the first atomic bomb dropped on Japan.
What is "Little Boy"?
300
Japanese city where the second atomic bomb exploded.
What is Nagasaki?
300
American president who gave the go ahead for the extremely expensive all-out research project known as the Manhattan project.
Who is Franklin D. Roosevelt?
300
The second method devised to generate a nuclear explosion. In this method plutonium is shaped into a sphere, and high explosives are packed all around it, and detonated in such a way that the sphere is compressed into a critical mass.
What is implosion?
400
Name of the military plane that dropped the first atomic bomb on Japan.
What is Enola Gay?
400
First element discovered to be fissionable.
What is uranium?
400
The Manhattan project’s military leader.
Who is Major General Leslie Groves?
400
One of two methods used to separate uranium-235 from uranium-238 involved turning it into a gas, uranium hexafluoride, and then passing it through thousands of membranes again and again so that the lighter uranium-235 passed through and left the uranium-238 behind.
What is gaseous diffusion?
500
Name of the second atomic bomb dropped on Japan.
What is "Fat Man"?
500
Man-made element discovered by Glenn Seaborg in 1940 used as one of the two different materials for atomic fission.
What is plutonium?
500
Two Hungarian scientists, who had recently emigrated to the US, alerted the US government to the possibility of an atomic bomb in a letter drafted in cooperation with Albert Einstein.
Who are Leo Szilard and Eugene Wigner?
500
One of two methods used to separate uranium-235 from uranium 238 virtually one atom at a time, an arduous process developed by physicist Ernest O. Lawrence.
What is electromagnetic separation?
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