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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Which of the following is true regarding experimental evidence for super particles?
(a) They cannot be observed experimentally.
(b) They have been observed in multiple experiments.
(c) They have been observed for a long time, and have only recently been identified.
(d) They have not been observed.

2. Which of the following is true regarding tears in space time occurring in normal three-dimensional space?
(a) It is unknown whether or not they can occur.
(b) They cannot occur.
(c) It has been proven that they can occur.
(d) Such tears have been observed in particle accelerators.

3. Which of the following best describes the fate of Kaluza-Klein theory?
(a) It was updated through the 1970s, and eventually incorporated into string theory.
(b) It became the mathematical basis of general relativity.
(c) It became widespread for a short time, but receives almost no attention now.
(d) It was quickly discarded as meaningless, but rediscovered by string theory.

4. Which of the following is true regarding the force of gravity in string theory?
(a) String theory predicts gravity.
(b) Gravity in string theory is stronger than what we actually observe.
(c) Gravity is not addressed in string theory.
(d) Gravity in string theory acts over much longer distances.

5. Kaluza-Klein theory units which two fundamental forces?
(a) Gravity and the strong force.
(b) Gravity and electromagnetism.
(c) Electromagnetism and the weak force.
(d) The strong force and the weak force.

Short Answer Questions

1. At what scale of length is quantum geometry necessitated?

2. In M-theory, what is a two-dimensional oscillating object is called?

3. In what important way does string theory affect the cosmological model of the big bang?

4. What is the traditional method of testing theories in physics?

5. The method of tearing space-time discovered by Greene and others is called _____.

Short Essay Questions

1. What is the major difference between the big bang with and without string theory?

2. Describe the phenomenon of winding in string theory.

3. How is the shape of the Calabi-Yau space is determined?

4. What did Morrison and Greene discover together, and why is it important?

5. What is the origin of M-theory, and what are its basic characteristics?

6. Greene suggests that black holes are very similar to, and might in fact be, elementary particles. What evidence supports this suggestion?

7. What is the major problem preventing string theory from gaining widespread acceptance, and why does this problem persist?

8. In the context of the big bang, what is symmetry breaking?

9. Describe the big bang according to string theory.

10. Are the extra-dimensions demanded by string theory, space or time dimensions? How are those dimensions experienced in everyday life?

(see the answer keys)

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