A. expanded
B. compressed
*E. both A and D are correct
2. The theory that tries to explain the origin of the universe revolves around the idea that __________.
*B. the original black hole exploded and scattered clouds of uncharged particles moving at high velocities
3. What was the first element formed during the creation of the universe?
*B. hydrogen
4. Our solar system was created by:
*A. the contraction of clouds of elements originally formed by the explosion of supernovas
5. Approximately how old is our universe?
*A. 13.7 billion years old
6. Heat is being continuously released within the Earth through the process of:
*C. elements releasing subatomic particles and losing mass
7. Which of the following minerals does not belong with the others?
A. pyrite
B. bornite
C. sphalerite
D. cinnabar
*E. they all belong together
8. An earthquake is detected off the coast of Vancouver Island. Which statement is most correct
*B. S-waves are detected after P-waves
9. In an area of the crust with an average geothermal gradient (from course manual), what would the temperature be 22km below the surface, if the surface temperature is 25°C?
*D. 685°C
10. The Hawaiian Island chain was formed by which one of the following processes?
*C. movement of the Pacific plate over a stationary mantle plume causing the formation of a string of volcanoes
11. The Himalayas developed directly from the process of ________:
*E. plate collision
12. Intermediate sized tectonic plates include which of the following?
A. Nazca
B. Eurasian
C. Scotia
D. Cocos
D. all of the above
*E. only A, C, and D
13. The floor of the Atlantic is widening: why then is there a ridge in the middle?
*B. volcanism
14. How much heat energy is required to raise the temperature of 50g of water by 10°C?
*B. 500 calories
15. Match the following item