View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9 The Arrow of Time.

Multiple Choice Questions

1. There must be a beginning and an end to the universe if what theory is used?
(a) Theory of light.
(b) Theory of relativity.
(c) Quantum mechanics.
(d) Singulatiry theory.

2. Why do researchers want to find black holes?
(a) To explain gravitational forces that the mass of the universe cannot explain.
(b) To explain strage gravitational orbits of planets in bianary star systems.
(c) To prevent space travelers from entering them.
(d) To prevent the orbits of earth and other possible earth-like worlds from entering them.

3. Why do the theories of quantum mechanics and general relativity need to be unified?
(a) To accurately calculate observations.
(b) To accurately describe future events.
(c) To accurately describe the fate of the universe.
(d) To accurately describe the very small and the very large.

4. Which virtual particle carries the electromagnetic force?
(a) Photon.
(b) Proton.
(c) Magnetron.
(d) Electron.

5. What might escape from a black hole?
(a) Gamma rays.
(b) Photons.
(c) Nothing.
(d) Something with more gravitational force than a black hole.

Short Answer Questions

1. The only constant in the universe is what?

2. What is another name for a neutron star?

3. Black holes are speculated to be clumped together due to what?

4. Hawking is what type of physicist?

5. Who proposed the idea that there are such things called quanta?

(see the answer key)

This section contains 231 words (approx. 1 page at 300 words per page) View a FREE sample