Bomb by Steve Sheinkin

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Across
  1. 2. bomb created during World War 2
  2. 5. leader of the U.S.S.R. during World War 2
  3. 6. the atomic bomb dropped on August 9 was on _____
  4. 8. item produced at Vemork in Norway
  5. 11. element used in bomb on Nagasaki
  6. 13. where the atomic bomb was tested
  7. 15. a spy for the Soviets
  8. 16. "father" of the atomic bomb
  9. 18. the atomic bomb dropped on August 6 was on _____
  10. 19. American army colonel working on atomic bomb project
  11. 20. element used in bomb on Hiroshima
Down
  1. 1. president of USA during most of World War 2
  2. 3. a spy for the Soviets
  3. 4. code name for the atomic bomb project
  4. 7. president of USA during end of World War 2
  5. 9. leader of the Nazis
  6. 10. name of an operation to destroy the Vemork plant
  7. 12. where the atomic bomb was created (Santa Fe)
  8. 14. country that fought in World War 2 against the Nazis
  9. 17. nickname for the political and military leaders of Japan during World War 2