atomic bombs

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Across
  1. 4. The leader of the Manhattan Project.
  2. 5. Type of bombs created.
  3. 6. Name of first test atomic bomb.
  4. 8. Nickname for the bomb dropped on Nagasaki.
  5. 9. Country where the bombs were made.
  6. 11. Declaration signed by Japan to end WW2.
  7. 14. Side affect of the radiation from the bombs.
  8. 16. Month the bombs were dropped on Japan.
  9. 18. Where the first test drop of the atomic bomb was.
  10. 19. Physicist who sent a letter to Roosevelt about atomic bombs.
  11. 20. First atomic bomb dropped on Japan.
Down
  1. 1. Type of scientist that invented the bombs.
  2. 2. Research program for the atomic bomb.
  3. 3. Operation to invade Japan if the bombs were not dropped.
  4. 7. President who authorized atomic bombs in Japan.
  5. 10. Date of the Hiroshima bombing.
  6. 12. Japanese city attacked after Hiroshima.
  7. 13. Injury caused by the bombing.
  8. 15. Atomic bomb dropped on Hiroshima.
  9. 17. Soviet leader during the end of World War II.