Plate Tectonics Vocabulary Question Preview (ID: 54310)
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What is the correct definition of: Plate Tectonics?
a) The theory that the earth is broken into plates and are in motion due to convection currents in the asthenosphere
b) The solid, outer layer of the Earth that consists of the the crust and the rigid upper part of the mantle
c) Term for the super continent which contained all the plates together
d) The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present location
What is the correct definition of: Crust?
a) term for the super continent which contained all the plates together
b) The soft layer of the mantle on which the tectonic plates move
c) The solid, outer layer of the Earth that consists of the the crust and the rigid upper part of the mantle
d) The thin and solid outermost layer of the Earth above the mantle
What is the correct definition of: Lithosphere?
a) The thin and solid outermost layer of the Earth above the mantle
b) The soft layer of the mantle on which the tectonic plates move
c) The solid, outer layer of the Earth that consists of the the crust and the rigid upper part of the mantle
d) The boundary formed by the collision of two plates
What is the correct definition of: Asthenosphere
a) The thin and solid outermost layer of the Earth above the mantle
b) The solid, outer layer of the Earth that consists of the the crust and the rigid upper part of the mantle
c) The soft layer of the mantle on which the tectonic plates move
d) long, narrow depression formed at divergent boundaries
What is the correct definition of: Transform Boundary
a) The boundary formed by the collision of two plates
b) The boundary between tectonic plates that are sliding past each other horizontally
c) The boundary between two tectonic plates that are moving away from each other
d) long, narrow depression formed at divergent boundaries
What is the correct definition of: Convergent Boundary
a) Long, narrow depression formed at divergent boundaries
b) The boundary between two tectonic plates that are moving away from each other
c) The boundary formed by the collision of two plates
d) The boundary between tectonic plates that are sliding past each other horizontally
What is the correct definition of: Divergent Boundary
a) The boundary between tectonic plates that are sliding past each other horizontally
b) The boundary formed by the collision of two plates
c) Long, narrow depression formed at divergent boundaries
d) The boundary between two tectonic plates that are moving away from each other
What is the correct definition of: Continental Drift
a) Term for the super continent which contained all the plates together
b) The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present location
c) The process by which new oceanic crust forms as magma rises towards the surface and solidifies at divergent boundaries.
d) The theory that the earth is broken into plates and are in motion due to convection currents in the asthenosphere
What is the correct definition of: Sea-floor spreading
a) The theory that the earth is broken into plates and are in motion due to convection currents in the asthenosphere
b) The process by which new oceanic crust forms as magma rises towards the surface and solidifies at divergent boundaries.
c) The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present location
d) Term for the super continent which contained all the plates together
What is the correct definition of: Subduction
a) process in which two plates collide and the denser ocean plate descends below the other
b) a current caused by the rising of heated fluid and sinking of cooled fluid believed to drive plate movement in the mantle
c) an area in the mantle that is super heated and melts through the crust (like a blow-torch)
d) an underwater mountain range made at divergent plate boundaries
What is the correct definition of: convection current
a) a current caused by the rising of heated fluid and sinking of cooled fluid believed to drive plate movement in the mantle
b) extremely deep areas in the ocean that are created by an oceanic subducting plate
c) process in which two plates collide and the denser ocean plate descends below the other
d) an area in the mantle that is super heated and melts through the crust (like a blow-torch)
What is the correct definition of: ocean basin
a) long, narrow depression formed at divergent boundaries
b) an area in the mantle that is super heated and melts through the crust (like a blow-torch)
c) extremely deep areas in the ocean that are created by an oceanic subducting plate
d) areas that are below sea level
What is the correct definition of: dormant volcano
a) An underwater mountain range made at divergent plate boundaries
b) A volcano that has not erupted for thousands of years and probably will not erupt again.
c) Inactive, sleeping volcano
d) A weak spot in the crust where magma has come to the surface
What is the correct definition of: hot spot
a) An area in the mantle that is super heated and melts through the crust (like a blow-torch)
b) An underwater mountain range made at divergent plate boundaries
c) A volcano that has not erupted for thousands of years and probably will not erupt again.
d) The location on the surface directly above the focus
What is the correct definition of: oceanic crust
a) The portion of the earth's crust that primarily contains granite, is less dense than oceanic crust, and is 20-50 km thick
b) A weak spot in the crust where magma has come to the surface
c) An underwater mountain range made at divergent plate boundaries
d) Thinner, more dense, younger crust making ocean floor
What is the correct definition of: extinct volcano
a) An area in the mantle that is super heated and melts through the crust (like a blow-torch)
b) An underwater mountain range made at divergent plate boundaries
c) Inactive, sleeping volcano
d) A volcano that has not erupted for thousands of years and probably will not erupt again.
What is the correct definition of: rift valley
a) Extremely deep areas in the ocean that are created by an oceanic subducting plate
b) Long, narrow depression formed at divergent boundaries
c) The location of the deepest trench on earth made from two oceanic crusts converging.
d) The layer of hot, solid material between Earth's crust and core. The thickest layer.
What is the correct definition of: seismograph
a) Measures and records earthquake magnitude based on the energy released in an earthquake.
b) The location on the surface directly above the focus
c) A shaking or sliding of the ground. It is caused by the sudden movement of masses of rock along a fault
d) Lithospheric plate that includes almost all of North America and part of the Atlantic Ocean.
What is the correct definition of: mid-ocean ridge
a) Extremely deep areas in the ocean that are created by an oceanic subducting plate
b) Long, narrow depression formed at divergent boundaries
c) The location of the deepest trench on earth made from two oceanic crusts converging.
d) an underwater mountain range made at divergent plate boundaries
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