QUIZ - Plate Tectonics
Convergent plate boundaries are characteristic of A) sea-floor spreading centers B) collision zones between plates C) lateral motions of plates D) all plate boundaries
B) collision zones between plates
Which of the following is true? A) the age of the sea floor is the same in most areas of the ocean B) the age of the sea floor increases with increasing distance from a mid-ocean ridge C) the age of the sea floor increases with increasing distance from a trench D) the oldest sea floor material is several billion years in age
B) the age of the sea floor increases with increasing distance from a mid-ocean ridge
Which of the following is true regarding continental drift? A) it occurred about 2 billion years ago, but no longer occurs today B) the term "continental drift" is now called plate tectonics C) it does not occur because the crust is brittle D) it is an old theory that has been essentially disproven
B) the term "continental drift" is now called plate tectonics
Pangaea is currently dated at A) 4.6 billion years ago B) about half the timespan of Earth's existence C) 225 to 200 million years ago D) 65 million years ago
C) 225 to 200 million years ago
The Hawaiian Islands were formed as a result of A) a rising plume of magma from the mantle B) an oceanic-oceanic plate collision C) a continental-oceanic plate collision D) activity along a mid-ocean ridge
A) a rising plume of magma from the mantle
At which of the following locations is new ocean crust being formed? A) oceanic rift zones B) along collision zones between two continents C) along collision zones between two oceanic plates D) in oceanic trenches
A) oceanic rift zones
Divergent plate boundaries are characteristic of A) sea-floor spreading centers B) collision zones between plates C) transform plate boundaries D) all plate boundaries
A) sea-floor spreading centers
Transform faults along plate boundaries are typically found A) sea-floor spreading centers B) collision zones between plates C) Inside of the continental plates D) all plate boundaries
A) sea-floor spreading centers
Which of the following supports the continental drift concept? A) magnetic field patterns preserved in the rocks B) plant and animal fossil records C) dating of rocks on either side of a spreading center D) All of the above
D) All of the above
Plate boundaries are associated with A) earthquakes B) volcanoes C) subduction or rifting D) all of the above
D) all of the above