18 terms

Room 27 Mogadore Rocks

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deposition
collection of sediments or particles that have been weathered or eroded
extrusive rock
igneous rock that forms from lava on Earth's surface
fossil
any remains or imprint of living things of the past
igneous rock
a rock formed when melted rock material cools and hardens
intrusive rock
igneous rock that forms when magma hardens beneath Earth's surface
metamorphic rock
a rock formed under heat and pressure from another kind of rock
metamorphosis
change of form
rock
a naturally formed solid in the crust, made up of one or more minerals
rock cycle
rocks changing from one form into another in a never-ending series of processes
sediment
particles of rock, mineral, or organic matter carried by wind, water, and ice
sedimentary rock
a rock made of bits of matter joined together
weathering
the breakdown of rock into smaller pieces from exposure to wind, water, or biological forces
cementation
the process in which dissolved minerals crystallize and glue particles of sediment together
compaction
the process by which sediments are pressed together under their own weight
composition
the makeup of something
erosion
chemical or physical process that breaks down rocks into smaller pieces
lava
melted rock that reaches Earth's surface
magma
molten rock beneath the Earth's surface
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