,klkmkkm Flashcards

1
Q

pangea

A

a super continent

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2
Q

tsunami

A

a big ocean wave

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3
Q

lava

A

molten rock

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4
Q

subduction

A

when 1 plate goes under the other

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5
Q

magma

A

lava under the surface

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6
Q

rock cycle

A

a cycle of rocks and how there made

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7
Q

divergent boundaries

A

plate boundaries that move away

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8
Q

convergent bounderis

A

plate bounders that combine together

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9
Q

transform bounders

A

plates that slide past each other

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10
Q

earthquake

A

a plate rumbling

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11
Q

rock

A

minerals

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12
Q

continental drift

A

large horizontal movement in continents

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12
Q

plate tectonics

A

earths outer shell

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13
Q

volcano

A

a rupture in earth

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14
Q

volcano arc

A

a belt of volcanoes

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15
Q

land slide

A

movement in mass rock

16
Q

fault zone

A

a fracture in earth

17
Q

seafloor spreading

A

when the sea floor spreads

18
Q

mid-ocean ridge

A

a chain of mountains

19
Q

ocean trenches

A

large depressions on seafloor

20
Q

erosion

A

when earth is worn away

21
Q

minerals

A

a compound of small materials

22
Q

weathering

A

when water or air weathers away rocks or other substances

23
Q

intrusive rock

A

a rock that forms unerground

24
Q

crystallization

A

the formation of crystals

25
Q

extrusive rock

A

a rock formed above ground

26
Q

glaciers

A

a big block of ice with fresh water

27
Q

impact craters

A

a circular depression in the floor

28
Q

Cementation

A

binding together particles

29
Q

Lithification

A

when sediments compact

30
Q

Deposition

A

where sediments deposit into a area

31
Q

fault

A

where parts of earth slide down

32
Q

ocean trenches

A

narrow depressions in seafloor