Shared Flashcard Set

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rock cycle
ryan evans
33
Science
7th Grade
01/13/2014

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Cards

Term
magma
Definition
molten rock below earths surface
Term
lava
Definition
molten rock above earths surface
Term
weathering
Definition
rock broken down by water wind and ice
Term
igneous
Definition
cooled lava + magma
Term
erosion
Definition
movement of sediment by wind and water
Term
metamorphic
Definition
formed by heat and pressure
Term
sedimentary
Definition
compacted/cemented sediment
Term
rocks cycle
Definition
process that changes/ creates rocks
Term
slower it cools the larger the crystal size
true or false
Definition
true
Term
crystal size
Definition
cooling rate
Term
intrusive
Definition
cooled magma and has crystals
Term
extrusive
Definition
cooled lava but has no crystals
Term
granite
Definition
rock with crystals
Term
obsidian
Definition
volcanic glass
Term
basalt
Definition
dark no crystals
Term
pumice
Definition
solidified ash
Term
scoria
Definition
has holes
Term
slower it cools the larger the crystal size
true or false
Definition
true
Term
organic
Definition
sed. rock formed from dead plants and animals
Term
coal
Definition
sed. rock made from dead plants
Term
chemical
Definition
sed. rock formed from dissolved minerals
Term
halite
Definition
rock salt
Term
limestone
Definition
calcium carbonate
Term
detrital
Definition
sed. rock made from sediment
Term
conglomerate
Definition
sed. rock with pebbles inside
Term
sandstone
Definition
rock made from compacted sand
Term
shale
Definition
rock formed by clay/mud
Term
metamorphic rock
Definition
formed by pressure or heat and watery fluids
Term
foliated
Definition
when mineral grains line up in parallel layers
Term
gneiss
Definition
foliated rock, forms when granite and other rocks change. light and dark bands
Term
nonfoliated
Definition
mineral grains grow and rearrange but don't form layers
Term
slate
Definition
formed from rock shale
Term
quartzite
Definition
when grains of courts grow in size and become innerlocking
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