Chapter 4 Test Review Question Preview (ID: 23093)


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Concrete is composed of rock particles bound together with cement. Thus, concrete is most like a ___________________ rock.
a) Igneous
b) Metamorphic
c) Sedimentary
d) Magma

The size of the crystals in a rock determines its
a) compostition
b) color
c) texture
d) type

Obsidian is an ________________ ingeous rock, which cools very rapidly on the Earth's surface.
a) intrusive
b) extrusive
c) strata
d) dike

The cooling rate of magma affects the properties of ________________ rock.
a) Igneous
b) Metamorphic
c) Sedimentary
d)

Slate is one of the ______________ metamorphic rocks, which contain flat aligned minerals.
a) Foliated
b) Clastic
c) Sedimentary
d) Nonfoliated

Which of these causes the breakdown of rock?
a) weathering
b) cementing
c) stratification
d) extrusion

Metamorphic rock is most likely to form when
a) a volcano erupts explosively
b) limestone comes in contact with an igneous intrusion
c) erosion of weathered granite occurs very rapidly
d) silt particles are compacted and cemented

Which type of rock cooled very slowly
a) hard fossiliferous limestone
b) coarse-grained granite
c) loose sandstone
d) fine-grained basalt

The individual mineral grains in sandstone hold together because they have been
a) cemented
b) melted
c) chemically changed
d) metamorphosed

Chemical sedimentary rock forms when
a) magma cools and solidifies
b) minerals are twisted into a new arrangement
c) minerals crystallize from a solution
d) sand grains are cemented together

A common sedimetnary rock structure is
a) a sill
b) a pluton
c) cross-bedding
d) a lava flow

The layering that occurs in sedimentary rock is called
a) foliation
b) ripple marks
c) stratification
d) compaction

An igneous rock with a fine-grained texture forms when
a) magma cools very slowly
b) magma cools very quickly
c) magma cools quickly, then slowly
d) magma cools slowly, then quickly

Sills, plutons, and dikes are all structures of
a) extrusive igneous rocks
b) metamorphic rocks
c) intrusive igneous rocks
d) sedimentary rocks

Which of the following is a form of the erosion of rocks?
a) wind
b) rain
c) glacier
d) all of the above

A type of rock that forms under high pressure and temperature but is not exposed to enough heat to melt the rock is
a) sedimentary
b) extrusive igneous
c) metamorphic
d) intrusive igneous

Only an igneous rock can break apart and form sediments.
a) True
b) False
c)
d)

What is not a way in which magma can form?
a) An increase in temperature causing minerals in rocks to melt.
b) The release of pressure deep inside the Earth allowing minerals to melt.
c) The change in composition of the rock leading to a lower melting point.
d) All of these will form magma

The ___________ of a rock is determined by the sizes, shapes, and positions of the grains in the rock.
a) composition
b) elements
c) texture
d) weathering

Igneous rocks that are lighter in color are usually less dense than darker igneous rocks. These light colored rocks are called Felsic rocks.
a) True
b) False
c)
d)

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