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Rocks and Minerals
Chapter Test
46
Science
6th Grade
01/18/2010

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Term
A mineral is a _____________
Definition
Naturally occurring inorganic solid definate chemical compound with an orderly arrangemnt of atoms
Term
Some mineral form when magma cools. Ture or False
Definition
True
Term
The phrase "cystal _____" refers to the repeating patterns in which atoms are arranged in a crystal.
Definition
system
Term
Some crystal are formed from minerals dissolved in liquid. True or False
Definition
True
Term

When liquid evaporates, mineral molecules may come together to form crystals. True or false

 

Definition
True
Term
Minerals that are different in other properties may be ______ in color
Definition
Alike
Term
What test help identify minerals??
Definition
Hardness and streak
Term
What are the two types of luster?
Definition
glassy and metallic
Term
What is cleavage?
Definition
Cleavage is the tendency of a mineral to break along a smooth, flat surfuse
Term
What are gems?
Definition
Mineral are becasue they contain beautiful substances
Term
What properties make titanium useful for tennis rackets and wheel chairs?
Definition
lightness and durability
Term
 2 Minerals mined for titanium
Definition
Ilmenite and rutile
Term
Products in which titanuim is used automobiles and aircraft
Definition
Term
Qualities of a stone that makes it a gemstone
Definition
beauty and rarity
Term
Qualities of a mineral that classify it as ore
Definition
useful and profitability
Term
Most mineral are composed of______ combined with other elements
Definition
Silicon and oxygen
Term
A crystal is always liquid, cube, hexagon or none of these
Definition
none of these
Term
A mineral is classified as an ore as long as
Definition
it is useful and profitable
Term
Titanium ores can occur as vein mineral deposits, beach sands, magma formed rocks or all of these
Definition
all of these
Term
Crystals can be cubic,monoclinic, tetragonal, or all of these
Definition
all of these
Term
All of the following are mineral EXCEPT salt, gold, sugar quartz
Definition
sugar
Term
One important use for titanium is
Definition
artifical body parts
Term
Most common rock forming mineral are
Definition
SILICATES:)
Term
A salt crystal is __ in shape
Definition
Cubic
Term

One of the softest mineral is .......

(graphite diamond corundum amethyst)

Definition
graphite
Term
List all four characteristic of a mineral
Definition
naturally occurring inorganic solid definate chemical composition orderly arrangement of atom
Term
What partly determines the type of mineral formed by cooling magma?????
Definition
the SPEED in which the magma cools
Term
Magma that cools below Earth's surfuse forms__ rock
Definition
intrusive igneous
Term

The process involved in the rock cycle include all of the following EXCEPT:

condensation, erosion, weathering, compaction

Definition
condensation
Term
Foliated rocks are distinguished by
Definition
LAYERS
Term
Lava that cools quickly forms _______
Definition
extrusive igneous rock
Term

Metamorphic rocks can be formed from all of the following except:

pressure, heat, hot fluid, or formation of mineral solutions

Definition
formation of mineral solutions
Term
Quartz is a mineral Granite is
Definition
ROCK
Term
A classification of metamorphic rock would include whether they are............
Definition
foliated or nonfoliated
Term
Sedimentary rocks are formed......
Definition
from already existing rocks that are weathered and eroded
Term
Andesitic rocks have mineral compositions between those of _____ and basaltic
Definition
Granitic
Term
The changes in the rock cycle
Definition
never create or destroy matter
Term
Detrital rocks are
Definition
made of fragments of other rocks
Term
The rock cycle indicates that each type of rock can provide materials to make other rocks, form other types of rocks, be changed by natural processes, or all of these
Definition
All of these
Term
Pumice, obsidian, and scoria are kinds of
Definition
Volcanic lass
Term
The crystal that form in slowly cooling magma are generally
Definition
LARGE
Term
Detrital rocks are named according to ...
Definition
the size and shape of the sediments
Term
Sedimentary rocks are usually classified as detrital, chemical, or organic True or False
Definition
True
Term
The composition of a sedimentary rock depends upon the composition of the rocks and living things its sediments came from. True or False
Definition
True
Term
All igneous rocks are different depending on where the
Definition
different magma came from
Term
Nonfoliated rocks do not have
Definition
layers
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