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Rock Vocabulary
rock vocabulary
34
Science
6th Grade
08/23/2024

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Term
rock or stone definition
Definition
a hard mineral made of two or more minerals. Make up the Earth's crust.
Term
rock or stone examples
Definition
gravel roads
mountains
sandstone
Term
a continuous process
Definition
The process by which rocks of one kind change into another kind.
Term
Igneous from "fire" Molten rock definition
Definition
a rock formed from cooled "crystallized" magma or lava
Term
Igneous from "fire" Molten rock example
Definition
obsidian
scoria
Term
sedimentary definition
Definition
a rock formed from sediment layers
Term
sedimentary example
Definition
sand
mud
Term
metamorphic rock "change" definition
Definition
a rock that has changed form due to heat and pressure
Term
metamorphic rock "change" example
Definition
slate was shale
Term
intrusive igneous rock (inside the earth) definition
Definition
Formed as magma slowly cools below Earth's surface
Term
intrusive igneous rock (inside the earth) example
Definition
granite
Term
extrusive igneous rock (outside exit) definition
Definition
formed as magma rises to the surface as lava and cools quickly
Term
extrusive igneous rock (outside exit)
example
Definition
obsidian
Term
sediment definition
Definition
broken down rock pieces that has moved to a new location
Term
sediment example
Definition
sand and mud
Term
metamorphism definition
Definition
a change in texture and crystal arrangement because of heat and pressure
Term
metamorphism example
Definition
limestone turns to marble
Term
recrystallization definition
Definition
solid rocks under heat and pressure can have their crystals rearranged.
Term
recrystallization example
Definition
small crystals can become larger
Term
crystallization definition
Definition
forming of crystals
Term
crystallization example
Definition
rock candy
Term
foliation definition
Definition
means made of thin sheets or layers
Term
non-foliation definition
Definition
no lines, no layers, no sheets
Term
magma definition
Definition
molten rock within the Earth
Term
magma example
Definition
magma chamber under ground
Term
lava definition
Definition
molten rock on the surface
Term
lava example
Definition
lava flow from a volcano
Term
weathering
Definition
the breaking of rocks by wind and rain
Term
erosion
Definition
the transport of sediments
Term
melting
Definition
changing states from a solid to a liquid
Term
heat
Definition
needed to cook/melt rocks *located near magma chambers
Term
pressure
Definition
the pressing down or squishing of materials
Term
compaction
Definition
pressed together
Term
cementation
Definition
cemented or glued together
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