Bomb: Days 1 – 4

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Across
  1. 3. Lead scientist of the bomb-building project
  2. 7. main element used in chain reactions
  3. 8. Italian physicist who designed the first chain reaction
  4. 10. the country that attacked the United States in 1941
  5. 11. President of the United States during World War 2
  6. 13. New Mexico location where the “gadget” was designed
  7. 14. the country that started World War 2
  8. 15. the top secret bomb “project”
Down
  1. 1. wrote a warning letter to FDR
  2. 2. United States army base that was attacked in 1941
  3. 4. California University with the “Rad Lab”
  4. 5. Illinois University where the first nuclear “pile” was tested
  5. 6. Army General and head of the bomb project
  6. 8. splitting an atom’s nucleus to release energy
  7. 9. Prime Minister of England during World War 2
  8. 12. German chemist that discovered atoms can split