Shared Flashcard Set

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rocks 2
rocks 2
30
Science
7th Grade
01/13/2014

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Cards

Term
lava
Definition
molten rock above the earths surface
Term
magma
Definition
molten rock below the earths surface
Term
weathering
Definition
rocks break down by water, wind or air
Term
igneous
Definition
cooled lava/magma
Term
sedimentary
Definition
compact/cemented sediment
Term
erosion
Definition
movement of sediment by wind or water
Term
rock cycle
Definition
process that changes/creates rocks
Term
metamorphic
Definition
formed by heat + pressure
Term
detrial
Definition
sedimentary rock made up of sediment
Term
conglomerate
Definition
sedimentary rock made up of pebbles
Term
sandstone
Definition
sedimentary rock made up of sand
Term
shale
Definition
sedimentary rock made up of mud or clay
Term
chemical
Definition
sedimentary rock made up of dissolved minerals that come out of solution
Term
limestone
Definition
sedimentary rock made up of calcium carbonate
Term
halite
Definition
sedimentary rock made up of salt
Term
organic
Definition
made by animals/plants
Term
coal
Definition
dead plants
Term
scoria
Definition
ingeous rock made up of solidfied foam
Term
intrusive
Definition
formed from cooled lava has crystals
Term
extrusive
Definition
fromed fro cooled lave has no crystals
Term
obsidian
Definition
ingeous rock made up of volcanic glass
Term
pumice
Definition
ingeous rock made up of solidified ash
Term
basalt
Definition
dark igneous rock
Term
foliated
Definition
metamorphic rock that has layers of bands
Term
non foliated
Definition
metamorphic rock without layers or bands
Term
slate
Definition
foliated rock made from shale
Term
schist
Definition
foliated rock made from mica
Term
gneiss
Definition
foliated rock made from granite
Term
marble
Definition
non foliated rock made from limestone
Term
quarzite
Definition
non foliated rock made from sandstone
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