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Plate Tectonics

Advanced World Geography

term scientists used to describe activities of continental drift and magma flow which create many of earth's physical features plate tectonics
highest point Mt. Everest
lowest point Mariana Trench
a part of the earth's mantle tat flows creating mantle convection asthenosphere
Scottish geologist who proposed the earth's convection currents were responsible for the movement of tectonic plates Arthur Holmes
process by which oceanic plates are pushed under lighter continental plates subduction
location of lithospheric plates moving away from each other Divergent boundary
states that earth's outermost layer is fragmented into a dozen of so plates that are moving of a mobile material plate tectonics
zone of frequent earthquakes and volcanic eruptions in the pacific ocean Ring of Fire
super continent proposed by Wegener Pangaea
number that indicates the size of an earthquake magnitude
large ocean wave that is caused by sudden movement on the ocean floor Tsunami
large rigid slab of solid rock that makes up the earth's lithosphere plate
most common rock on earth; makes up the oceanic crust basalt
core, mantle, crust layers of the earth
steep walled valley on the sea floor adjacent to a continental margin trench
German meteorologist who proposed the theory of continental drift Alfred Wegener
a scientist who specializes in the study of earthquakes seismologist
form the Greek meaning "to build" tectonic
location of lithospheric plates moving toward each other Convergent boundary
forerunner of the theory of plate tectonics, it proposed that a present day continents were once part a a singer super continent continental drift
common rocks of the continental crust andesite and granite
rigid, outermost layer of the earth, made up of crust and uppermost mantle lithosphere
zone of earthquakes seismic belt
the property of a solid that flows plastic behavior
flow of the asthenosphere which plays a role in moving lithospheric plates mantle convection
standard scale used to compare earthquakes Richter scale
location of lithospheric plates sliding past each other Transform boundary
a divergent plate boundary, located on the floor of the ocean Mid-Atlantic Ridge
water is exchanged between the earth and the atmosphere hydrologic cycle
water becomes vapor evaporation
water vapor becomes liquid condensation
rain, sleet, snow, hail precipitation
lakes, ponds, rivers, oceans surface water (80% of earth's water is surface water)
ground water aquifers
oceans(97% of earth's water) seas, bays, and gulfs salt water
salt water to fresh water desalination
lake, streams, rivers, aquifers fresh water
body of water completely surrounded by land, usually caused by glacial movement lake
Which pieces of evidence did Wegener use to support his theory of continental drift? fossils
seafloor spreading explains why... the oldest part of the ocean floor is farthest from the mid-ocean ridge
energy released during and earthquake creates... seismic waves
Created by: hannahbonana



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