Igneous Rock & Review Processing Skills Question Preview (ID: 6927)
C. Classify Rocks By Their Process Of Formation.
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Particles of minerals and other rocks that make up rock are called...
a) grains
b) textures
c) rock fragments
d) sediment
Rocks that are formed by the melting and cooling of lava and magma are called
a) Igneous Rocks
b) Sedimentary Rocks
c) Metamorphic Rocks
d) Bed Rocks
Igneous rocks formed when magma cools beneath the earth's surface
a) intrusive rocks
b) sedimentary rocks
c) extrusive rocks
d) magma
Extrusive igneous rocks have smaller crystals than intrusive igneous rocks because
a) Intrusive igneous rocks cool slower than extrusive rocks
b) Extrusive igneous rocks cool slower than intrusive rocks
c) Intrusive igneous rocks melt slower than extrusive rocks
d) Extrusive igneous rocks melt slower than intrusive rocks
When magma cools deep inside Earth, ____ igneous rocks are formed.
a) intrusive
b) fine-grained
c) none of these
d) extrusive
A mineral can scratch any mineral...
a) any mineral softer than itself
b) any mineral that is harder than corundum
c) any mineral that is harder than diamond
d) any mineral harder than itself
In order to be considered a mineral, the substance must be...
a) all of these
b) Solid
c) Inorganic
d) Naturally Occuring
What are rocks made of?
a) A rock is a naturally formed solid made of one or more minerals.
b) A rock is the soft part of the plant and can easily be destroyed.
c) A rock is a fossil.
d) A rock is formed from sand and soil.
Three different tests used to identify a mineral are:
a) hardness, color, streak
b) color, weight, density
c) streak, hardness, texture
d) texture, color, name
A mineral is...
a) naturally occuring, inorganic, solid, definite chemical composition, and crystalline structure.
b) naturally occuring, organic, solid, definite chemical composition and crystalline structure
c) naturally occuring, organic, color, luster, and streak
d) naturally occuring, organic, luster, and streak
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