Atomic Bomb

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Across
  1. 7. The first bomb was dropped on this city
  2. 8. This president called the weapon "The most terrible bomb in the history of the world."
  3. 10. Last name of scientist who told the US about the atomic bomb
  4. 12. The first rest of this bomb was in the desert of this US state
Down
  1. 1. Emperor ____________ finally surrendered 6 days after the second bomb was dropped.
  2. 2. The secret program to create the atomic bomb was called the ____________ project
  3. 3. Japan was defeated, but they would not _______________
  4. 4. The second bomb was dropped on this city
  5. 5. Name of the first bomb
  6. 6. The large explosion comes from splitting an _________
  7. 9. Name of the second bomb
  8. 11. The temperature at the center of the bomb was three times hotter than the center of the _______.