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Final Exam Review

LMS Ch 10 Review

QuestionAnswer
Oceanic crust has a low density and is made of rock that is rich in silica?? False.
The Earth's crust and the rigid, upper part of the mantle forms a layer of Earth called the lithosphere?? True.
The three types of Plate boundaries are: Divergent, Convergent, and Transform Boundaries?? True.
The continents of the Earth are still moving and drifting apart today?? True.
All scientists accepted Wegner's hypothesis of Continental Drift?? False.
Tectonic plates are moving everyday?? True.
Earthquakes occur everyday?? True.
The hypothesized "supercontinent" where all of the continents once formed a single landmass is called?? Pangea.
Who came up with the hypothesis of Continental Drift?? Alfred Wegner.
New ocean floor is constantly being produced through the process known as?? Sea-Floor Spreading.
An underwater mountain chain that formed by sea-floor spreading is called?? Mid-Ocean Ridge.
The theory that explains why and how continents move is called?? Plate tectonics.
Compared to rocks farther from the ridge, rocks closer to the ridge are?? Younger.
The mechanism (process) that verifies (proves) Wegner's hypothesis of Continental Drift is?? Sea-Floor Spreading.
Who found the idea of sea-floor spreading?? Harry Hess.
How do scientists identify the location of Plate boundaries?? The location of earthquakes and volcanoes.
The cycle in which the cooler, denser water sinks and the warmer water rises to the surface to create a cycle is called?? A Convection cell.
The boundary between tectonic plates that are moving away from each other?? Divergent boundary.
The boundary between tectonic plates that are sliding past each other horizontally?? Transform boundary.
The boundary between tectonic plates that are colliding towards each other?? Convergent boundary.
As the hot material rises, the cooler denser materials flows away from the hot material, sinking into the mantle to replace the rising magma?? Mantle Convection.
Sudden movements in plate tectonics?? Earthquakes.
It says use the letters A-F. So here I go! What is letter for Outer Core?? E.
What is letter for Continental Crust?? A.
What is letter for Inner Core?? F.
What is letter for Lithosphere?? C.
What is letter for Oceanic Crust?? B.
What is letter for Mantle?? D.
Created by: ericyonggyuhong