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Earth's Interior and Plate Tectonics Flashcards | StudBud
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Earth's Interior and Plate Tectonics
Earth's Interior and Plate Tectonics
20 terms
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Review for quiz on Earth's four layers and plate tectonics.
Flashcards
20 cards
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Questions
20
Answers
1
Which feature is NOT found at an oceanic to continental convergent plate boundary?
fold mountain
subduction zone
oceanic trench
volcanic mountains
2
Which statement below is NOT correct about P and S waves.
They are the first two waves to reach an earthquake recording station.
They are surface waves.
They are body waves.
They are seismic waves.
3
Which feature correctly describes continental crust?
denser than oceanic
thinner than oceanic
thicker than oceanic
younger than oceanic
4
The epicenter is the point where the earthquake occurred.
True
False
5
Which one of the following was NOT evidence for Wegener's Theory of Continental Drift?
Crust is older further from mid-ocean ridges.
Fossils of the same species were found on different continents.
Mountain ranges line up when continents are joined.
Continents fit together like pieces of a puzzle.
6
Hot spot volcanism occurs --
at transform boundaries.
at diverging plate boundaries.
at converging plate boundaries.
within plate boundaries.
7
Earthquakes do not occur at divergent plate boundaries.
True
False
8
Which layer IS broken up into tectonic plates?
lithosphere
crust
asthenosphere
upper mantle
9
Which statement below is NOT supported by studying oceanic crust on either side of a mid-ocean ridge?
oceanic crust is oldest at mid-ocean ridges
magnetic polarity reverses over time
seafloor age is a mirror image on either side of a mid-ocean ridge
magnetic polarity is a mirror image on either side of a mid-ocean ridge
10
Fold mountains occur where --
divergent plates create tension and a block of crust drops.
an oceanic plate subducts under another plate, creating rising magma.
two continental crusts converge.
plates slide past one another.
11
Most major geologic events, like earthquakes, volcanoes, and mountain building, occur at plate boundaries?
True
False
12
This rift valley begins on continental crust at which type of plate boundary?
convergent
strike-slip
transform
divergent
13
We know Earth's outer core is liquid because seismic P waves cannot travel through liquids.
False
True
14
Earth's geomagnetic field is created by --
solar flares.
the flow of iron and nickel in Earth's core.
convection in the mantle.
subducting plates at convergent boundaries.
15
Which statement below is NOT a current theory to explain why tectonic plates move?
convection currents cause the mantle to rise
mid-ocean ridges push plates apart with the help of gravity
the magnetic core attracts sinking plates
sinking plates at subduction zones pull the rest of the slab downward
16
What geologic feature is created when oceanic crust subducts, melts, and forms magma?
earthquakes
tsunamis
fault-block mountains
volcanoes
17
The many processes that occur during plate tectonics explain --
extreme weather events.
the water cycle.
why the seasons occur.
the rock cycle.
18
Based on this diagram of major plates, which region of the US has the greatest tectonic activity?
West Coast
East Coast
Gulf of Mexico
Florida Panhandle
19
At a strike-slip fault, crust blocks slide past one another. At which type of plate boundary does this motion occur?
Transform Boundary
Reverse Boundary
Convergent Boundary
Divergent Boundary
20
What is a common feature found at divergent plate boundaries throughout the world's oceans?
Volcanic Island Arc
Oceanic Trench
Fold Mountains
Mid-Ocean Ridge
