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This quiz consists of 5 multiple choice and 5 short answer questions through Act 2.

Multiple Choice Questions

1. What kind of impression does Heisenberg make on his first stop with Bohr?
(a) A neutral one
(b) A negative one
(c) A positive one
(d) He already knows everybody

2. How long did Bohr estimate it would take to produce one gram of U-235?
(a) Ten years
(b) A century
(c) 26,000 years
(d) They could do it instantly

3. What uranium isotope is least common?
(a) U-2.
(b) U-238
(c) U-17
(d) U-235

4. Other than Leipzig, where else might Heisenberg have gone?
(a) Columbia University or the University of Chicago
(b) The Sorbonne or ENS in Paris
(c) Oxford or Cambridge
(d) The University of Copenhagen

5. How has Bohr been treated by the occupying Germans?
(a) They have become his friends
(b) They have coddled him
(c) They have ignored him
(d) They have abused him

Short Answer Questions

1. What language does Bohr claim he is speaking?

2. What does Bohr consider to have ended before Heisenberg even arrives?

3. What does fission produce BEFORE the final product?

4. What was Bohr and Heisenberg’s collaboration called?

5. What was Heisenberg’s main scientific achievement?

(see the answer key)

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