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WorksheetsPlate Tectonics Review
Total questions: 45
Worksheet time: 15mins
The process of hot stuff becoming less dense and rising, then cooling and becoming more dense and sinking is called
conduction
convection
radiation
subduction
The idea that the continents were once joined together in one large landmass that then broke apart and slowly drifted to where they are today is called the
seafloor spreading theory.
plate tectonics theory.
continental drift theory.
Wegener's supercontinent was known as
Glossopteris
Eurasia
Pangea
Gondwandaland
The lithosphere (crust) is broken into sections called
plates
faults
ridges
trenches
The movement of tectonic plates are generally thought to be caused by
volcanoes.
convection currents.
earthquakes.
wind.
The process of magma rising from the mantle and spreading out at the mid-ocean ridge is called
trenching
seafloor spreading
continental drift
tectonicking
Really big mountains form at which boundary?
divergent
convergent
transform
Seafloor spreading occurs at which type of boundary?
divergent
convergent
transform
The San Andreas Fault is located on a ____ boundary.
divergent
convergent
transform
Plates collide at a ___ boundary.
divergent
convergent
transform
Plates move apart at a ___ boundary.
divergent
convergent
transform
Plates slide past each other at a ____ boundary.
divergent
convergent
transform
Convection currents in the outer core create Earth's
magnetism
gravitational pull.
earthquakes.
weather.
Convection currents occur in the....
Lithosphere.
Asthenosphere.
lower mantle.
Inner Core.
What are the two different types of crust?
Continental and Oceanic
Lithosphere and Mesosphere
Nazca and Eurasian
Laurasia and Gondwana
A subduction zone is where two plates do what?
Collide and one is pushed under and destroyed
Spread apart to form new crust
Collide and form mountains
Separate and form new continents
Does temperature increase or decrease the closer you get to the core?
Decrease
Increase
Does pressure increase or decrease the closer you get to the core?
Decrease
Increase
Which layer of the core is made of solid metal?
Inner Core
Outer Core
The oldest seafloor is located?
Closest to the mid-ocean ridge
Farthest from the mid-ocean ridge
The process in which a denser plate is pushed beneath a less dense plate.
Trenches
Divergent Boundary
Lithosphere
Subduction
Tectonic Plates
The deepest parts of the ocean; long, narrow ditches
Trenches
Divergent Boundary
Lithosphere
Subduction
Tectonic Plates
Part of the cycle of recycling seafloor material includes it getting destroyed. This occurs...
through weathering and erosion of exposed rock layers.
as a result of violent and constant volcanic activity.
at trenches where rock material is subducted.
when elements in rock are rearranged chemically.
Seafloor spreading occurs because ____.
new material is being added to the asthenosphere
earthquakes break apart the ocean floor
sediments accumulate at the area of spreading
molten material beneath Earth's crust rises to the surface
What particular event is shown on the picture?
mid-ocean ridge
subduction zone
transform boundary
divergent boundary
