earth stack #11
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| the material that forms Earths hard surface | rock
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| scientist who study earth | geologists
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| features formed in rock | landforms
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| earths surface changes its appearancedue to: | constructive forces(volcanoe)deconsructive(wind water waves)
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| the earths radious | 6000 kilo
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| scientists use ____________to study earths interior | seismic waves
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| the deeper n2 the earth you go the blank and blank increase | temp presure
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| 3 main layers | crust, mantle, cor
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| outer layer of rock | crust
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| crust is_-__ kilo long | 5-40
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| crust is thinner on __________ and thicker on___________ | ocean floor mountains
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| 2 kinds of crust | continental oceanic
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| the rock that makes up the oceans crust dark, dense | basalt
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| usually light makes up continental crust | granite
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| below crust supports the rocky crust | mantle
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| the rigid part of the crust and upper mantle | lithosphere
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| lithos meaning | stone
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| mantle has 2 sections | lithosphere asthenosphere
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| heated rock bgins to _________ | soften
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| asthenes meaning | weak
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| core 2 parts | outer core- molten rockinner-hard dense ball of solid metal
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| _____________ noticed that the coast lines of continets appearred to fit together like peices of jigsaw puzzle | map makers
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| ________________hypothesis was that all continents joine together to form a single landmass | alfred wegener
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| wegener named the super continent | pangea
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| pangea means | all lands
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| pangea exsisted ___ milion years ago | 300
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| name of wegeners theory | conntinental drift
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| proof to support wegeners thery | (1)landforms(2)fossils(3)climate change
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| panthalassas | all seas
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| 3 direction ontinents drift | (1)converging continents(2)diverging continents(3)transform
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| _______________is ttransform--slipping past | san andreas fault
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| why was wegeners theory rejected | he couldnt eplain a force strong enough 2 move continents
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| it cicles tru the oceons like the seems on a baseball | mid atlantic ridge
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| ___________explored the mid atlantic ridge and determined that the force of magmacoming from the vent could cause enough force 2 create the continental drift | harry hess
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| the valley created by 2 diverging plates where magma comes | rift
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| area in africa where 2 diverging plates | great rift valey
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| longest range of mountains n the world mostly under water only a fe places rise above thewaters surface (ex.island) | mid ocean ridge
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| the mid ocean rige in the atlantic is called | mid atlantic ridge
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| the mid ocean ridge in the pacific is called | east pacific rise
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| process of magma rising from rift at mid ocean ridge creating `tall mountains but new magma pushes old rock toward the coast line spush the continents along with it this gave evidence of the power or force that causes continental drift | sea floor spreading
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| uses echo sounds 2 map the mid ocan ridge | sonar
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| submersible that explored the mid ocean ridge | alvin
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| the process in which the ocean floor sinks beneat a deep ocean trench and back into the mantle | subduction
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| at ___________________ subduction allows part of the ocean floor 2 sink back n2 te mantle | deep ocean trenches
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Created by:
katie weathersbee