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ch.4 vocabulary

chapter 4 vocab reveiw #1

QuestionAnswer
fossil any trace of an anceint organism that has been preserved in rock,includes plants and animals
continental drift the theory that the continents have slowly moved over the earths surface
crust the layer of rock that forms the Earths outer skin
faults breaks in the earths crust where rockes have slipped past eachother
inner core a dense ball of solid metal that is located in the center of the earth
plate tectonics a theory that states peices of the earths surface are in slow,constint motion,driven by convention currents in the mantle
plates cracks in the lithosphere that break into separate sections
mantle a layer of solid hot rock that is located beneath the crust
pangaea a "supercontinent" where all the land masses were joined together
outer core a layer of molten rock that surrounds the inner core, it is liquid
Created by: alikat
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