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advanced rock cycle
MACAT science
35
Science
7th Grade
04/09/2013

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Term
mineral
Definition
a substance that forms in nature, is solid, has a definite chemical makeup, and has a crystalline structure
Term
element
Definition
a substance that contains only one kind of atom
Term
crystal
Definition
a solid that has atom s that are arranged in an orderly repetitive 3 dimensional pattern
Term
perfect cystal
Definition
a crystal that forms freely without any space confinement which is very rare in nature
Term
silicate group
Definition
the most common group of minerals that consist of oxygen and silicon joined together
Term
carbonates
Definition
the second most common group of minerals that have carbon and oxygen joined together
Term
oxides
Definition
the 3rd most common type of minerals where a an element (usually a metal) and a oxygen joined together
Term
NIMBY
Definition
Not In My Back Yard
Term
smelting
Definition
smashing and melting and ore to get the desired metal
Term
granite
Definition
an intrusive igneous rock that contains the minerals quartz, feldspar, and mica
Term
obsidian
Definition
considered a rock despite it not having any minerals
Term
Rock
Definition
a naturally forming solid that is made up of one or more minerals
Term
igneous rock
Definition
a rock that is formed by either magma or lava cooling
Term
sedimentary rock
Definition
a rock that is formed as sediments are compacted, cemented, and lithafied till they become a rock with different layers
Term
metamorphic rock
Definition
a rock that forms when heat and pressure cause rocks to morph together to make a new type of rock
Term
rock cycle
Definition
a set of natural processes that combine to change and reform rocks (never ending)
Term
pumice
Definition
a type of rock that is created when a volcano explodes abruptly and cools as an extrusive igneous rock
Term
basalt
Definition
an extrusive igneous rock that is often found on the bottoms of oceans often at spreading centers
Term
gneiss
Definition
a foliated metamorphic rock and is made up of granular minerals
Term
marble
Definition
a non-folitaed rock that comes from limestone
Term
quartzite
Definition
a non-foliated rock that is made up of mostly quartz
Term
schist
Definition
a foliated rock that has lots of mica
Term
slate
Definition
a foliated metamorphic rock and can sometimes appear green
Term
conglomerate (puddingstone)
Definition
is a clastic sedimentary rock that contains rounded clasts, the space between the clasts is generally filled with small particles and/or a chemical cement
Term
limestone
Definition
It most commonly forms in warm and shallow waters, usually forms from shell, coral, algal other debris
Term
rock salt (halite)
Definition
forms from the evaporation of ocean or other waters
Term
rock gypsum
Definition
a rock that forms as shallow sea basins or salt lakes dry up enough for the mineral gypsum to come out
Term
sandstone
Definition
a sedimentary rock that is made up of sand and other weathered debris that are compacted to make a rock
Term
shale
Definition
a fine grained rock that is formed when "mud" is compacted
Term
malleable
Definition
capable of being shaped or bent or drawn out without breaking
Term
ductile
Definition
capable of being hammered into thin tiny strands
Term
alloy
Definition
a mixture containing two or more metallic elements to make it stronger
Term
semiconductor
Definition
a substance whose electrical conductivity is between a metal and an insulator
Term
yellow cake
Definition
uranium for nuclear power (don't eat this kind of cake!)
Term
cooling rate
Definition
the longer it takes to cool the larger the crystals are and the shorter it cools it has tinier crystals
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