These ready-to-use worksheets are perfect for teaching kids about J. Robert Oppenheimer. J. Robert Oppenheimer was an American theoretical physicist best known for his role as the scientific director of the Manhattan Project, the World War II project that developed the first nuclear weapons. ...
These are ready-to-use Hiroshima and Nagasaki worksheets that are perfect for teaching students about the cities of Hiroshima and Nagasaki, which were almost wiped out after American bombers dropped atomic bombs during the Second World War. After the incident, Japanese Emperor Hirohito announced its...
Check Your Facts: Cox Report Bombs.(controversy over congressional investigation into security breaches at US nuclear labs)Cohen, Sam
Found in Southeast Asia, when Krakatau erupted in 1883 it released 200 megatrons of energy –that’s the equivalent of 15,000 nuclear bombs. Boom!16. Volcanoes can produce rich, fertile land. Over time, lava and ash break down to produce nutrient-rich soil, great for growing crops! That’...
The universe's uranium formed 6.6 billion years ago in supernovae, according to theWorld Nuclear Association. It is all over the planet, and makes up about 2 to 4 parts per million of most rocks. It is 48th among the most abundant elements found in natural crustal rock, according to the...
And kids, Sieverts and Seavers are both dangerous to your health but please don’t confuse them. WHAT’S CESIUM-137? Cesium-137 is product of nuclear fission. Before us humans, there was no Cesium-137 on earth. But then we started blowing stuff up with nuclear bombs and VOILA!, there...
Today, experts regard Petrov's actions as having quite likely deterred all-out nuclear war. Mikel Agirregabiria, Flickr 13. King Of The Influencers The Anglo-Saxons were the first to manage to unite and rule all of England, but after many years of war with Norse and Danish invaders, th...
the world's leading scientific minds and the US military. Most of the work was done in Los Alamos, New Mexico. The project had been started because they were worried that German scientists were advancing on nuclear technology since the 1930s and that Hitler was prepared to use nuclear ...
President’s go signal, nuclear bombs were assembled on Tinian Island in the Marianas and loaded into the bays of specially equipped B-29s. On the morning of August 6, 1945, a plane piloted by Col. Paul W. Tibbets, Jr., dropped an atomic bomb over Hiroshima, Japan. It exploded at 8...
On July 31, 1991, Bush signed the Strategic Arms Reduction Treaty (START 1) in Moscow alongside Premier Gorbachev. It was intended to reduce both countries’ nuclear weapons by 35% (U.S) and 50% (USSR). In November 1991, the Civil Rights Act was signed, giving more rights to employees...