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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Fifteen, Prospects.

Multiple Choice Questions

1. What is the scientific state of the "multiverse" theory?
(a) It was discarded years ago.
(b) It is on the fringes of physics.
(c) It is accepted by almost all young physicists, but almost no older ones.
(d) It is well accepted by the physics community.

2. Which of the following qualities must a physical law have in order to be considered symmetric?
(a) It works regardless of the spin of the particles involved.
(b) It does not depend on where or when it is applied.
(c) It is valid for both matter and energy.
(d) It is valid for both matter and anti-matter.

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

4. Which team of researchers discovered the process for altering Calabi-Yau spaces by rupturing them?
(a) Yau and Tian.
(b) Bohr and Feynman.
(c) Hawking and Fermi.
(d) Greene and Morrison.

5. Which of the following best describes a wormhole?
(a) A quantum-scale connection between two particles.
(b) The quantum-scale path left by a "tunneling" particle.
(c) The center of a black hole.
(d) A bridge between two points in space-time.

Short Answer Questions

1. How many total dimensions are required by string theory?

2. About how long after the big bang were stars formed?

3. Kaluza-Klein theory units which two fundamental forces?

4. Which of the following best describes the fate of Kaluza-Klein theory?

5. What is quantum foam?

(see the answer key)

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