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Practice Quizzes
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1
What happens to tectonic plates at a convergent boundary?
A)They are formed
B)They are recycled
C)They are not formed or recycled.
2
What happens to tectonic plates at a divergent boundary?
A)They are formed
B)They are recycled
C)They are not formed or recycled.
3
What is the main reason our knowledge of the Earth increased dramatically starting in the 1950s?
A)More scientists started studying the Earth
B)Improved technologies provided more data
C)The cold war started
4
Which of the following views concerning the solar system was a paradigm shift?
A)Heliocentric to geocentric
B)Geocentric to heliocentric
C)Neither
5
Who proposed the idea that continents drift?
A)Newton
B)Einstein
C)Wegener
6
Why were the ideas regarding continental drift not readily accepted by scientists in the early 20th century?
A)The continents did not fit exactly as if they had split
B)There was no proposed mechanism to cause such a drift
C)They recognized that vertical forces explain Earth's geology
7
Where are the oldest rocks on the Atlantic seafloor located?
A)Trenches
B)Mid-ocean ridges
C)Along coastlines
8
Where are the deepest parts of the seafloor?
A)Trenches
B)Mid-ocean ridges
C)Along coastlines
9
What happens to minerals in rocks that cool in the presence of the Earth's magnetic field?
A)The minerals align with the field
B)The minerals align opposite to the field
C)The minerals are not aligned based on the field
10
How are magnetic stripes on the seafloor oriented with respect to mid-ocean ridges?
A)Parallel and symmetric
B)Perpendicular and symmetric
C)Parallel and random
D)Perpendicular and random
11
What is a tectonic plate?
A)The plastic asthenosphere above the rigid core and upper mantle
B)The crust and underlying plastic asthenosphere above the mantle
C)The crust and underlying rigid mantle above the asthenosphere
12
Which of the following are found near plate boundaries?
A)Mid-ocean ridges
B)Trenches
C)Volcanoes
D)Earthquakes
E)All of the above
13
What is the primary reason tectonic plates move?
A)To release Earth's internal heat
B)To equalize differences in density
C)To release energy created by earthquakes
14
Why doesn't Venus show evidence of plate tectonics?
A)It is comprised mostly of oceanic-type crust
B)It is comprised mostly of continental-type crust
C)It is not comprised of materials similar to those of Earth.
15
What happens when two oceanic plates collide?
A)The fastest plate is subducted
B)The slowest plate is subducted
C)The youngest plate is subducted
D)The oldest plate is subducted
16
What material forms most mountains at subduction zones?
A)Crust
B)Crust and mantle lithosphere
C)Mantle lithosphere
17
What type of plate boundary includes the San Andreas Fault?
A)Convergent
B)Divergent
C)Transform
18
Which plate lies between the South American and Pacific plates?
A)Indian-Australian
B)Nazca
C)North American
D)Juan de Fuca
19
Where are the deepest earthquakes located?
A)Adjacent to oceanic ridges
B)Adjacent to oceanic trenches
C)Adjacent to transform boundaries
20
Plate Tectonics Theory
A)is a theory that explains how the solar system formed
B)is the hypothesis proposed by Alfred Wegener that the continents moved about on the surface of the Earth like ships plowing through sea ice.
C)is the theory that the Earth's lithosphere is broken into pieces that move around and interact with each other.
D)is the idea that proposed the depth of an earthquake's focus could be explained by the type of plate boundary on which it occurred.
E)all of the above describe Plate Tectonics Theory.





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