Across
- 1. element discovered during Uranium processing
- 5. main top-secret location of the Manhattan Project
- 6. element used for fission
- 9. physics professor; head of the Manhattan Project
- 10. top secret code name for the building the bomb
Down
- 2. top secret code name used to talk about the bomb
- 3. army general; Manhattan Project manager
- 4. US army base attacked by Japan
- 7. US President for much of World War 2
- 8. energy released by splitting a nucleus