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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. What is the unit of measurement for particle energy?
(a) Electric particle volts.
(b) Electric volts.
(c) Electron volts.
(d) Eclectic volts.

2. Edwin Hubble's observation that the universe is expanding supports what theory?
(a) The Dark Matter theory.
(b) The Big Bang theory.
(c) The Dark Bang theory.
(d) The Universe Expansion theory.

3. Scientists start their understanding of the universe with what?
(a) Observations and mathematics.
(b) Mathematics.
(c) Observations.
(d) A theory.

4. When Hubble discovered other galaxies, in what direction were they moving?
(a) Away from earth.
(b) Towards each other.
(c) Away from each other.
(d) Towards earth.

5. Time is not separate from space, but is combined with it to form what?
(a) The spectrum.
(b) Space-time.
(c) Three dimensional space.
(d) The two dimesions.

Short Answer Questions

1. How far away is our sun from the earth in terms of light?

2. If we created a black hole by exploding a very large hydrogen bomb what would happen?

3. A location on earth's surface is defined by what?

4. What type of theories try to bring the various virtual particles together as one entity, but do not include gravity?

5. Who discovered the theory of gravity?

Short Essay Questions

1. What will happen if the expansion of the universe stops?

2. What is the difference between the Aristotelian approach to science and Galileo's approach?

3. According to Carl Sagan, what prompts children to ask seemingly unanswerable questions?

4. Why might our present day ways of thinking about the universe seem ridiculous in the future?

5. What model of the atom persisted until the 1960's?

6. What is the relationship between quantum mechanics and predictions?

7. Why do scientists think that there is a black hole in the star system Cygnus X-1?

8. The mathematical formulas that result from a scientific model of the universe must do what?

9. What determines whether a star can become a black hole?

10. Why can nothing move faster than the speed of light according to the theory of relativity?

(see the answer keys)

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