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

Multiple Choice Questions

1. Where did Heisenberg have his moment of clarity?
(a) On Heligoland
(b) In Leipzig
(c) In Copenhagen
(d) In Tisvilde

2. What non-scientific talent of Kramers’ do Heisenberg and Bohr discuss?
(a) He played the cello
(b) He skied well
(c) He played the piano
(d) He was a good swimmer

3. What did Heisenberg’s theory need in order to work?
(a) Work done by Kramers
(b) A cadmium rod
(c) The Schrödinger wave function
(d) Help from Bohr

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

5. What did Heisenberg achieve in 1924?
(a) He got married
(b) He finished his doctorate
(c) He graduated from college
(d) He learned about the atom

Short Answer Questions

1. What did the Bohrs invite Heisenberg to do during this visit?

2. What segment of the population, important to Heisenberg and Bohr, has fled Germany because of the Nazis?

3. What is fired at in fission?

4. What does one need to fission the least common uranium isotope?

5. What was Heisenberg’s main scientific achievement?

(see the answer key)

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