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1
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Part of the mantle that is under the lithosphere and asthenosphere
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2
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Where two blocks of rocks are pulled apart by tension
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3
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Name of the boundary that moves apart and away from each other
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4
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Another name given to the 'Supercontinent'
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6
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When the crust in the ocean spreads apart and magma fills in, creating new ocean floor
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9
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Vibrations in the ground which result from movement along breaks in the Earth's lithosphere
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10
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Molten rock that is stored inside the Earth's crust
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11
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A thick middle layer in the solid part of Earth
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14
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A crack in the Earth's crust
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16
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A dense ball of solid iron crystals in the center of the Earth
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18
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A liquid core outside of the inner core
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19
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A rupture in the crust
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20
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Area in the basin of the Pacific ocean where a lot of volcanic activity and earthquakes take place
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21
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Waves that travel outwards in all directions during an earthquake
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22
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Name of the boundary where plates move close to one another and collide
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23
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Faults where two blocks of rock are forced together
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