,klkmkkm Flashcards by Landon Sanker

Q

pangea

A

a super continent

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Q

tsunami

A

a big ocean wave

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Q

lava

A

molten rock

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Q

subduction

A

when 1 plate goes under the other

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Q

magma

A

lava under the surface

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Q

rock cycle

A

a cycle of rocks and how there made

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Q

divergent boundaries

A

plate boundaries that move away

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Q

convergent bounderis

A

plate bounders that combine together

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Q

transform bounders

A

plates that slide past each other

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Q

earthquake

A

a plate rumbling

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Q

rock

A

minerals

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Q

continental drift

A

large horizontal movement in continents

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Q

plate tectonics

A

earths outer shell

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Q

volcano

A

a rupture in earth

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Q

volcano arc

A

a belt of volcanoes

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Q

land slide

A

movement in mass rock

Q

fault zone

A

a fracture in earth

Q

seafloor spreading

A

when the sea floor spreads

Q

mid-ocean ridge

A

a chain of mountains

Q

ocean trenches

A

large depressions on seafloor

Q

erosion

A

when earth is worn away

Q

minerals

A

a compound of small materials

Q

weathering

A

when water or air weathers away rocks or other substances

Q

intrusive rock

A

a rock that forms unerground

crystallization

the formation of crystals

extrusive rock

a rock formed above ground

glaciers

a big block of ice with fresh water

impact craters

a circular depression in the floor

Cementation

binding together particles

Lithification

when sediments compact

Deposition

where sediments deposit into a area

fault

where parts of earth slide down

ocean trenches

narrow depressions in seafloor