Minerals And Rocks, 6th Grade Question Preview (ID: 63121)
Minerals And Rocks.
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Which is NOT true of minerals?
a) they are man-made
b) they are inorganic
c) they have crystalline structures
d) they are solids
A pure substance that cannot be separated or broken down into simpler substances by chemical means
a) element
b) compound
c) crystal
d) mineral
The way a mineral reflects light
a) luster
b) streak
c) hardness
d) density
The tendency of some minerals to break along smooth, flat surfaces
a) cleavage
b) fracture
c) streak
d) hardness
The tendency of some minerals to break unevenly along curved or irregular surfaces
a) fracture
b) cleavage
c) hardness
d) streak
The process in which a rock forms, changes from one form to another, is destroyed, and forms again
a) the rock cycle
b) native elements
c) deformation
d) composition
If it gets hot enough to melt, a rock can cool into a(n)
a) igneous rock
b) sedimentary rock
c) metamorphic rock
d) crystalline rock
The chemical makeup of a rock
a) composition
b) texture
c) deformation
d) uplift
Dark colored igneous rocks that are rich in elements like calcium, iron, and magnesium
a) mafic rocks
b) felsic rocks
c) coarse-grained rocks
d) foliated rocks
The only kind of rock in which fossils are found
a) sedimentary
b) igneous
c) metamorphic
d)
Coal is an example of a metamorphic rock
a) false
b) true
c)
d)
Fragments of rock cemented together by a mineral like calcite or quartz
a) clastic sedimentary
b) chemical sedimentary
c) organic sedimentary
d) foliated metamorphic
In contact metamorphism, the greatest change in rock occurs
a) where magma comes into direct contact with the surrounding rock
b) in rock far away from the magma
c)
d)
When pressure builds up in rock that is buried deep below other rock formations, or when large pieces of the crust collide
a) regional metamorphism
b) contact metamorphism
c)
d)
Metamorphic rock in which the mineral grains are not arranged in planes or bands
a) nonfoliated
b) foliated
c) organic
d) clastic
A change in the shape of the rock if it is exposed to forces that squeeze or stretch it
a) deformation
b) composition
c) deposition
d) erosion
A naturally occurring solid mixture of one or more minerals or organic matter
a) rock
b) mineral
c) crystal
d) uplift
Minerals are made of rocks.
a) false
b) true
c)
d)
The rock cycle never ends
a) true
b) false
c)
d)
There is only one way through the rock cycle.
a) false
b) true
c)
d)
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