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lava is a kind of material
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pumice is a kind of igneous rock
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a class of something means a type of something
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classifying is when one sorts something by kind / type
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class is a measure of how a rock is formed
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igneous rocks are formed by magma cooling / crystallizing
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if something causes something else then that something affects that something else
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as the rate of rocks cooling decreases , the crystal size of the rock will increase
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crystal size is a property of rocks and includes values of small / large
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rate is a kind of measurement of speed
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to slow / to slow down decreases speed
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if something affects something else then that something else indicates whether that something happened
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great can mean high in value
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underground means buried deep below other rocks
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exposure to pressure is a kind of condition
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exposure to heat is a kind of condition
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a site is a kind of area
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metamorphic rocks are formed by rocks being exposed to extreme heat and pressure
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extreme means very high in value
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deep means great in depth
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if something is formed by certain conditions then that something will likely be formed in an area with those conditions
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as rocks are buried deeper below other rocks , the pressure / heat on that rock will increase
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the formation of metamorphic rock is a sequential process, with stages of rock being compacted, heated, recrystallized
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marble is a kind of metamorphic rock
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exposure to extreme heat and pressure changes sedimentary rock into metamorphic rock
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if something changes into something else then that something else is formed from that something
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limestone is a kind of sedimentary rock
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limestone is a kind of sedimentary rock
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sedimentary rock is a kind of rock
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to be exposed to something means to be subjected to something
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marble is a kind of metamorphic rock
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metamorphic rocks are formed by rocks being exposed to extreme heat and pressure
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the continental crust mainly is made of granite
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exposure to extreme heat and pressure changes igneous rock into metamorphic rock
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continental crust is a kind of crust
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two tectonic plates pushing toward each other cause intense heat and pressure in earth's crust
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rock is a kind of material
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the crust is made of different kinds of crust
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basalt is a kind of igneous rock
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the crust is a layer of the earth
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the oceanic crust mainly is made of basalt
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oceanic crust is a kind of crust
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granite is a kind of igneous rock
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intense can mean extreme
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products are formed / are produced / are created
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sandstone is a kind of sedimentary rock
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sedimentary rocks are formed by deposition / cementation
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weathering is a kind of erosion
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sedimentary rocks are formed in layers
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sedimentary rocks are formed by deposition
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weathering is a kind of geologic process
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weathering / mechanical weathering means breaking down rocks / surface materials from a larger whole into smaller pieces by weather / mechanical means
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erosion causes deposition
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deposition is a kind of natural process
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the formation of sedimentary rock is a sequential process, with stages of weathering, erosion, deposition,burying, compaction
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if something causes something else then that something else is a result of that something
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sedimentary rock is a kind of rock
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extreme heat and pressure compact sediments into sedimentary rocks
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sedimentary rocks are formed by sediment compacting together
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formation in the rock cycle means an old class of rocks changes into a new class of rocks
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to compact means to squeeze together
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compaction is a kind of process
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sedimentary rocks are formed by sediment compacting / cementing together
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cementation is a kind of process
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if something is a stage in a process then that something is required for that process
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sedimentary rock is made of sediment
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if something changes to something else then that something else is formed from that something
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exposure to extreme heat and pressure changes / metamorphoses sedimentary / igneous rock into metamorphic rock
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the formation of metamorphic rock is a sequential process, with stages of rock being compacted, heated, recrystallized
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recrystallization is a kind of event
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if an event is required for a process then that event must occur before that process can occur
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formation in the rock cycle means an old class of rocks changes into a new class of rocks
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sedimentary rock is a kind of rock
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if something is formed from something else then that something else becomes that something
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sedimentary rocks are formed by sediment compacting together
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sedimentary rocks are formed in layers
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sediment is a kind of small particle
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to compact something means to compress something
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sedimentary rocks are formed by sediment compacting together
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a fold is observed in layers of sedimentary rock
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if something is caused by something else then that something resulted from that something else
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if an event changes something then that event causes that change
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the convergence of tectonic plates is a kind of event
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sedimentary rock is a kind of rock
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a collision is a kind of convergence
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sedimentary rocks are formed in layers
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a crustal plate means a tectonic plate
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the collision of tectonic plates changes the order of the rock layers by compressing rock layers into faults and folds
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in the rock cycle , formation of sediments follows weathering and erosion
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the formation of something is a kind of process
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if a process follows another process, then the other process begins that process
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weathering is a kind of geologic process
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erosion is a kind of process
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weathering is a kind of erosion
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if something is formed by a process then that something is formed as a result of that process
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sediment is formed by rocks weathering
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weathering is a kind of geologic process
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erosion is a kind of process
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sedimentary rock is a kind of rock
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layers are a part of sedimentary rock
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