View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, Protecting the Past.

Multiple Choice Questions

1. What kind of energy density might an advanced civilization be able to create?
(a) An energy density finite on a time boundary.
(b) An energy density infinite on a level ground.
(c) An energy density infinite on a spatial boundary.
(d) An energy density finite on a spatial plane.

2. How many articles did Einstein pen that rocketed him to the top of the scientific community?
(a) Ten.
(b) Three.
(c) Five.
(d) Two.

3. What does Hawking think is beneficial concerning matter?
(a) Energy is converted into matter from gravitational fields.
(b) Matter is converted into weight.
(c) Matter is converted into energy from periscopal fields.
(d) Mass is converted into matter from gravitational fields.

4. What did Einstein resist to admit that general relativity implied if all the stars died?
(a) The universe would collapse and recreate itself.
(b) The universe would never have existed.
(c) The universe would never die.
(d) The universe would come to an end.

5. What did nineteenth century scientists believe space was pervaded by?
(a) Asteroids.
(b) Time.
(c) Methane.
(d) Ether.

Short Answer Questions

1. What theories implied that supersymmetric field particles should have superpartners?

2. How many galaxies are there?

3. Where did Einstein receive his degree?

4. What would a civilization have to do to build a time machine?

5. What are cosmic strings?

(see the answer key)

This section contains 275 words (approx. 1 page at 300 words per page) View a FREE sample