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3.1 3.2

TermDefinition
ctrust thre thin and solid outmost layer of erath above the mantle
mantle they layer of rock betweenn earths crust and core
core the central part of the earth below the mantle
lithrosphere the solid outer layer of earth that consists of the crust and the rigid upper part of the mantle
asthenosphere the sof layer of the mantle on wich the tetonic plates move
mesosohere the strong lower parot of the mantle betweeen the ansthespire and the outer core
sesmic wave a wave of energy that travels through earth and away from an earthquake in all directions
continental drift they hypothisis that a single large landmass to form the continets wich then drifted to thier present locatioons them oveemnt of contentas
plate tetconics the theroy that earths outer layets is made up of large moving plates called techtonic plates the theroy explains that how plates itersct and how those interactions relate to the processes such as earthquales and mountin builing
theroy a system of ideas that explains large body of evidence aquired through scientific invesstigation
sea floor spreading the process by wich new ocianic lithosphere forms when magma rises to the earths surface at mid ocean ridges and solidifie as older existing sea floor moves away from the ridge
subduction the proces in wich one lithosphere plate moves beneath another plate as a result of tectonic forces
magnetic reversal the porces in wich earths magentic north pole adn mahnetic south pole swith positions periodicly a change in the direction in wich earths magnetic field points
convection curent any movement of matter that results in diferences in density may be verticle cirular or cycualr
p waves slow down and bend as they pass through the outer core and bend again as they pass through the inner core
s waqves they can not travel through it causing eaerth quakes and moves fast
Created by: ap.6588
 

 



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