How does slab pull drive the motion of tectonic plates?

cooler, denser ocean crust sinks at subduction zones

Plate tectonics is supported by

distribution of similar fossils on opposite sides of ocean

Which of the following features drive tectonic plate motion through ridge push?

higher elevation of mid-ocean ridges to subduction zones

What are the three types of plate boundaries?

convergent, divergent, and transform

How does the diagram support the theory of plate tectonics?

bands further from ridge are older

Which of the following is not evidence used by Wegener to support continental drift?

bands of rock older farther away from mid-ocean ridge

How do tectonic plates move at mid-ocean ridges?

the plates move away from each other

Which of these processes is not a part of seafloor spreading?

energy released by plate motion reverses polarity

What did Wegener notice about the continents that supported his continental drift hypothesis?

The continental coastlines appear to fit together.

Ridge push moves from

the divergent boundary toward the convergent boundary

If we could drill through Earth, what change would we see from asthenosphere to mesosphere?

physical change from partly molten to solid rock

Plate tectonics is supported by

distribution of similar landforms on opposite sides of ocean

studbud

Plate Tectonics Review

20 termsStudBud Administration324 plays

Plate tectonics unit review

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
How does slab pull drive the motion of tectonic plates?
slow convection of mantle rock
none of these
ocean crust slides downward and away from mid-ocean ridge
cooler, denser ocean crust sinks at subduction zones
2
Plate tectonics is supported by
distribution of different fossils along the same coastline
random distribution of fossils
all of these
distribution of similar fossils on opposite sides of ocean
3
Which phrase best describes tectonic plates?
flat areas of ocean basins
pieces of lithosphere
inner parts of continents
chunks of mantle
4
Subductions zones occur at which type of boundary?
spreading
transform
convergent
divergent
5
Which of the following features drive tectonic plate motion through ridge push?
higher elevation of mid-ocean ridges to subduction zones
temperature differences
density differences
lower elevation of mid-ocean ridges to subduction zones
6
Tectonic plates move away from each other at which type of boundary?
convergent
oceanic transform
continental transform
divergent
7
What are the three types of plate boundaries?
folded, faulted, and rift zone
subduction zone, trench, and volcanic arc
igneous, metamorphic, and sedimentary
convergent, divergent, and transform
8
The mesosphere shares a boundary with the
lithosphere and inner core
asthenosphere and outer core
lithosphere and asthenosphere
outer core and inner core
9
What forms when all of the continents on Earth's surface merge into one massive landform?
a supercontinent cycle
a tectonic plate
a supercontinent
a Pangaea
10
Tectonic plates slide past each other at which type of boundary?
divergent
transform
fault-block
convergent
11
How does the diagram support the theory of plate tectonics?
none of the bands are more than a few hundred years old
bands further from ridge are younger
bands on the left are older than bands on the right of ridge
bands further from ridge are older
12
Which of the following is not evidence used by Wegener to support continental drift?
similar geologic formations on both sides of the Atlantic
bands of rock older farther away from mid-ocean ridge
glacial deposits indicating a different climate
similar fossils on widely separated continents
13
How do tectonic plates move at mid-ocean ridges?
the plates move away from each other
one plate is forced above the other
the plates move toward each other
one plate slides horizontally past the other
14
Which of these processes is not a part of seafloor spreading?
all are part of seafloor spreading
energy released by plate motion reverses polarity
tectonic plates pull away from each other
magma rises between two plates, cools, and creates new crust
15
What did Wegener notice about the continents that supported his continental drift hypothesis?
Fewer continents exist now than in the past.
The continental coastlines appear to fit together.
Each continent is smaller than it once was.
Each continent is larger than it once was.
16
Ridge push moves from
the divergent boundary toward the convergent boundary
from the convergent boundary toward the divergent boundary
from convergent boundary away from the divergent boundary
17
If we could drill through Earth, what change would we see from asthenosphere to mesosphere?
physical change from partly molten to solid rock
physical change from solid rock to partly molten rock
change in composition from iron-rich to silica-rich minerals
change in composition from magnesium to oxygen-rich minerals
18
Plate tectonics is supported by
distribution of different landforms along a coastline
distribution of similar landforms on opposite sides of ocean
none of these
random distribution of landforms
19
Which layer of Earth's interior is liquid?
lithosphere
outer core
inner core
mesosphere
20
The Mid-Atlantic ridge is a type of
divergent boundary
mid-ocean ridge
oceanic rift zone
all of these

Plate Tectonics Review Flashcards | StudBud