Earth And Plate Tectonics Question Preview (ID: 29791)
Chapter 11 And 12.
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About how far is it from Earth’s surface to its center?
a) 6.4 km
b) 64 km
c) 640 km
d) 6400 km
Vibrations that travel through Earth’s interior are known as:
a) crust waves.
b) earthquake waves.
c) seismic waves.
d) shock waves.
Earth’s magnetic field is generated by powerful electric waves in the:
a) inner core.
b) outer core.
c) mantle.
d) asthenosphere.
Which of the following is the correct order for the layers of Earth from coolest temperature to warmest temperature?
a) Crust, mantle, core
b) Mantle, crust, core
c) c. Core, mantle, crust
d) Mantle, core, crust
Less buoyant, denser materials have settled closer to which layer of Earth?
a) Continental crust
b) Oceanic crust
c) Lithosphere
d) Core
The continental crust floats ____________________ in the mantle than the oceanic crust.
a) inside
b) outside
c) higher
d) lower
The ____________________ includes the crust and a thin part of the mantle
a) asthensoshpere
b) lithoshpere
c) outer core
d) continental crust
The lower part of the upper mantle is called the ____________________.
a) asthensoshpere
b) lithoshpere
c) outer core
d) continental crust
Which answer describes oceanic crust?
a) Thinnest crust, light density and made of andesite and granite.
b) Thickest crust, light density and made of pegmatite.
c) Thickest crust, very dense, and mostly made of basalt.
d) Thinnest crust, very dense, and mostly made of basalt.
Which answer describes continental crust?
a) Thinnest crust, light density and made of andesite and granite.
b) Thickest crust, light density and made of pegmatite.
c) Thickest crust, very dense, and mostly made of basalt.
d) Thinnest crust, very dense, and mostly made of basalt.
. ____ was the scientist who proposed the idea of continental drift.
a) Charles Darwin
b) Alfred Wegener
c) Isaac Newton
d) a. CHarry Hess
The process by which new ocean floor is created and causes the continents to “drift” is:
a) Subduction
b) Sea-floor spreading
c) Convection
d) Converging
Subduction of a plate is caused by:
a) cooling followed by the older plate going above the mantle.
b) cooling followed by older plate going under into the mantle.
c) heating followed by older plate going under into the mantle.
d) heating followed by the older plate going above the mantle.
The ancient supercontinent that existed about 250 million years ago is called ____________________.
a) Continental Spread
b) Pandemic
c) Pangea
d) Continental Drift
____________________ boundaries are located where two plates are colliding into each other
a) Converent
b) Divergent
c) Transform
d) Fault
____________________ boundaries are located where two plates are going in opposite directions.
a) Convergent
b) Divergent
c) Tranform
d) Fault
Volcanic eruptions occur at both _____ and _____ boundaries but NOT at _____ boundaries.
a) Convergent, Divergent but not Transform.
b) Transform, Convergent but not Divergent
c) Divergent, Subduction but not Convergent
d) Convergent, Transform but not Divergent
The valley that forms on the ocean floor where ocean plates collide is known as a(n) _____________.
a) continent
b) rift valley
c) deep ocean trench
d) sea-floor spreading
How the Hawaiian Islands were formed?
a) An oceanic plate slide against another plate.
b) Oceanic plates collided with continental plate.
c) Two continental plates separated.
d) A rising mantle plume caused a volcanic eruption.
In the Atlantic ocean, the plates are diverging. What land form is being created?
a) Volcanoes
b) Deep ocean trench
c) Mid ocean ridge
d) A rise
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