A pre-quiz quiz: more tectonics

California as seen by Jarrett
Originally uploaded by trudeau

1. The process that enables the earth's plates to move: a) convection b) subduction c) faulting d) spreading.
2. The word for the circular process in which materials rise when heated and fall when cooled. a) convection b) subduction c) faulting d) spreading.
3. The location of the heat which is thought to drive movement of the earth's plates: a) core b) mantle c) crust d) oceans.
4. Which is lighter, the a) continental crust or the b) oceanic crust?
5. When two plates of the same type meet: a) converging b) subduction c) faulting d) spreading.
6. When two plates grind against each other: a) converging b) subduction c) faulting d) spreading.
7. When two plates move in opposite directions: a) converging b) subduction c) faulting d) spreading.
8. When a lighter and a heavier plate meet: a) converging b) subduction c) faulting d) spreading.
9. The textbook says that "Human population is growing fastest along the Ring of Fire, the zone marked by volcanoes and earthquake regions." T / F
10. The San Andreas Fault runs through the middle of Los Angeles but does not reach San Francisco. T / F
11. A split in the earth's crust may be called a __ valley. a) rift b) pangaeaic c) fault d) volcanic .
12. Current measurements indicate the age of the earth is about __ years. a) 2.6 billion b) 3.6 billion c) 4.6 billion d) 5.6 billion