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WorksheetsRocks 6.4R
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which of the following describes how metamorphic rocks form?
a)
when layers of sediment build up on top of each other over time and are compacted and cemented together
b)
when magma or lave cools and crystallizes
c)
when changes in extreme temperature, pressure and the addition of chemical fluids are exposed to existing rocks
d)
none of these
2.
Metamorphic rocks have something in common with igneous rocks. Which of the following is it?
a)
they both crystallize
b)
they both form in layers
c)
they both form from deposition
d)
they both form deep within Earth
3.
Some metamorphic rocks have something in common with sedimentary rocks. Which of the following is it?
a)
they both crystallize
b)
they both form in layers
c)
they both form from deposition
d)
they both form deep within Earth
4.
In metamorphic rock formation when there is a permanent change in shape by bending and folding this is called...
a)
rock deformation
b)
mountain deformation
c)
plastic deformation
d)
tectonic deformation
5.
When does plastic deformation occur?
a)
it occurs during plastic melting
b)
it occurs during uplift when tectonic plates collide and form mountains
c)
it occurs during earthquakes and mountains are formed
d)
none of these
6.
What is a the rock that was changed by metamorphism called?
a)
parent rock
b)
child rock
c)
grandparent rock
d)
none of these
7.
What do geologists look at to identify metamorphic rocks?
a)
temperature and texture
b)
texture and pressure
c)
composition and temperature
d)
composition and texture
8.
What kind of metamorphic rock contains parallel layers of flat elongated minerals?
a)
foliated metamorphic rock
b)
nonfoliated metamorphic rock
c)
none of these
9.
What type of metamorphic rocks have minerals with random interlocking texture?
a)
foliated metamorphic rock
b)
nonfoliated metamorphic rock
c)
none of these
10.
What causes gneiss to have parallel layers of flat elongated minerals?
a)
high pressure causes minerals to align perpendicular to pressure
b)
high temperature causes minerals to align perpendicular to pressure
c)
high temperature and pressure causes crystals to become blocky, equal sized and uniform in color
d)
high temperature and pressure cause crystals to become blocky, unequal sized and multicolored
11.
What causes marble have minerals with random interlocking texture?
a)
high pressure causes minerals to align perpendicular to pressure
b)
high temperature causes minerals to align perpendicular to pressure
c)
high temperature and pressure causes crystals to become blocky, equal sized and uniform in color
d)
high temperature and pressure cause crystals to become blocky, unequal sized and multicolored
12.
Which of the following is a common foliated metamorphic rock?
a)
granite
b)
sandstone
c)
gneiss
d)
marble
13.
Which of the following is a common nonfoliated metamorphic rock?
a)
granite
b)
sandstone
c)
gneiss
d)
marble
14.
Which of the following describes contact metamorphism?
a)
changes of temperature, pressure and addition of chemical fluids acting on small volumes of rock creating metamorphic textures in mountain shrinking
b)
changes of temperature, pressure and addition of chemical fluids acting on large volumes of rock creating metamorphic textures in mountain building
c)
when magma comes in contact with existing rock and the thermal energy and gases interact with the surrounding rock
d)
when magma comes in contact with existing rock and the thermal energy and gases do not interact with the surrounding rock
15.
Which of the following explain regional metamorphism?
a)
changes of temperature, pressure and addition of chemical fluids acting on small volumes of rock creating metamorphic textures in mountain shrinking
b)
changes of temperature, pressure and addition of chemical fluids acting on large volumes of rock creating metamorphic textures in mountain building
c)
when magma comes in contact with existing rock and the thermal energy and gases interact with the surrounding rock
d)
when magma comes in contact with existing rock and the thermal energy and gases do not interact with the surrounding rock
16.
Which of the following are caused by contact metamorphism?
a)
increased crystal size
b)
formation of new minerals
c)
both of these
d)
none of these
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