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Harry
rocks
32
Science
7th Grade
01/13/2014
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Term
rock cycle
 Definition
the cycle that shows how rocks change
Term
lava
 Definition
molten rock above earths surface
Term
magma
 Definition
molten rock under earths surface.
Term
sedimentary rocks
 Definition
compacted and cemented sediment
Term
metamorphic
 Definition
formed by heat and pressure
Term
igneous
 Definition
cooled magma or lava
Term
weathering
 Definition
rocks broken down by ice, wind , or water
Term
Intrusive
 Definition
found under the ground
Term
extrusive
 Definition
found out of the ground
Term
the larger the crystal the longer it takes to cool
 Definition
true
Term
granite
 Definition
intrusive rocks
Term
basalt
 Definition
dark rocks
Term
obsidian
 Definition
volcanic rock
Term
scoria
 Definition
holes form bubbles
Term
pumice
 Definition
solidified ash
Term
detrital
 Definition
made from sediment
Term
conglomenrate
 Definition
made from pebbles (round)
Term
sandstone
 Definition
made from sand compacted
Term
shale
 Definition
made from mud or clay
Term
chemical
 Definition
made from dissolved minerals
Term
limestone
 Definition
made from calcite caco3
Term
halite
 Definition
rock salt
Term
organic
 Definition
made from dead animals and plants
Term
coal
 Definition
dead plans
Term
metamorphic
 Definition
fromed by pressure(overlaying layers) and heat(magma below)
Term
foilated
 Definition
met. rocks has layers or bands
Term
non-foliated
 Definition
no layers or band
Term
slate
 Definition
foliated met. rock made from shale
Term
schist
 Definition
foliated met. rock made from mica
Term
gneiss
 Definition
foliated met. rock made from granite
Term
marble
 Definition
nonfoliated met. rock formed from limestone
Term
sandstone
 Definition
nonfoliated met. rock formed from sandstone
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