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Chapter 20 Exam Review

Physical Science Chpater 20 Exam Review
 
Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
____          1.         Igneous rocks that form ____ the surface are intrusive.
a.
above
c.
on
b.
below
d.
all of the above
 
 
 
Figure 4-1
 
____          2.         Figure 4-1 shows that the processes involved in the rock cycle include all of the following EXCEPT ____.
a.
condensation
c.
weathering
b.
erosion
d.
compaction
 
 
____          3.         The rock cycle shown in Figure 4-1 indicates that each type of rock can ____.
a.
provide materials to make other rocks
b.
form other rocks
c.
be changed by forces at Earth's surface
d.
all of the above
 
 
____          4.         Figure 4-1 shows that sedimentary rocks are changed to sediments by ____.
a.
compaction
c.
cementation
b.
weathering and erosion
d.
heat and pressure
 
 
____          5.         Igneous rocks form from ____ when it cools.
a.
magma
c.
neither a nor b
b.
lava
d.
both a and b
 
 
____          6.         The molten material deep inside Earth from which igneous rocks form is called ____.
a.
magma
c.
neither a nor b
b.
lava
d.
both a and b
 
 
____          7.         Foliated rocks are distinguished by ____.
a.
layers
b.
lack of layers
c.
large mineral grains
d.
air holes
 
 
____          8.         Lava that cools quickly forms ____ rocks.
a.
extrusive metamorphic
c.
intrusive metamorphic
b.
extrusive igneous
d.
intrusive igneous
 
 
____          9.         All of the following conditions in Earth can cause metamorphic rocks to form EXCEPT ____.
a.
exposure to air
b.
the presence of hot, watery fluids
c.
heat
d.
pressure
 
 
____          10.       A classification of metamorphic rocks would include whether they are ____.
a.
chemical or organic
c.
foliated or nonfoliated
b.
intrusive or extrusive
d.
basaltic or granite
 
 
____          11.       Sedimentary rocks are ____.
a.
formed from magma
b.
a type of foliated igneous rock
c.
formed because of changes in temperature and pressure, or the presence of hot watery fluids
d.
formed when loose materials become pressed or cemented together or when minerals form from solutions
 
 
____          12.       Metamorphic rocks can undergo all of the following changes EXCEPT ____.
a.
an exchange of atoms between minerals
b.
melting
c.
the formation of new, bigger minerals
d.
the flattening of mineral grains
 
 
____          13.       Detrital rocks are ____.
a.
made from broken fragments of other rocks
b.
formed from magma
c.
deposited from solution
d.
all of the above
 
 
____          14.       A rock is always ____.
a.
made of molten material
b.
a mixture of minerals, organic matter, volcanic glass, or other materials
c.
formed by heat and pressure
d.
either igneous or sedimentary
 
 
____          15.       A detrital rock is named according to ____.
a.
its age
c.
the shape and size of the sediments
b.
its location
d.
the color of the sediments
 
 
____          16.       Magma from deep inside Earth rises toward the surface because ____.
a.
it is denser than surrounding solid rock
b.
it is less dense than surrounding solid rock
c.
it has the same density as surrounding solid rock
d.
none of the above
 
 
____          17.       When lava cools at Earth's surface, ____ igneous rocks are formed.
a.
extrusive
c.
intrusive
b.
metamorphic
d.
coarse-grained
 
 
____          18.       When magma cools deep inside Earth, ____ igneous rocks are formed.
a.
extrusive
c.
detrital
b.
fine-grained
d.
intrusive
 
 
____          19.       An igneous rock can form from ____ magma.
a.
basaltic
c.
granitic
b.
andesitic
d.
all of the above
 
 
____          20.       Metamorphic rocks that show layers of dark minerals alternating with layers of light minerals are classified as ____.
a.
nonfoliated
c.
foliated
b.
extrusive
d.
intrusive
 
 
____          21.       Metamorphic rocks with a non-foliated texture show metamorphic change that involves ____.
a.
mineral grains arranging into layers
b.
growth in the size of the mineral grains
c.
mineral grains flattening under pressure
d.
mineral grain melting
 
 
____          22.       Sedimentary rocks form because of all of the following EXCEPT ____.
a.
sediments becoming pressed or cemented together
b.
crystals solidifying from magma
c.
sediments forming from solution
d.
water evaporating, leaving crystals behind
 
 
____          23.       Sediments in sedimentary rocks are often ____.
a.
held together with natural cements
b.
formed when atoms of melted minerals rearrange themselves
c.
formed when lava erupts from a volcano
d.
formed by magma trapped below Earth's surface
 
 
____          24.       Sedimentary rocks formed from broken fragments of other rocks are ____.
a.
chemical
c.
organic
b.
detrital
d.
none of the above
 
 
____          25.       A quartz crystal is ____ in shape.
a.
cubic
c.
tetragonal
b.
hexagonal
d.
monoclinic
 
 
____          26.       As magma cools, its ____ combine into compounds that form a crystal structure, and it becomes a mineral.
a.
atoms
c.
electrons
b.
elements
d.
none of the above
 
 
____          27.       Minerals are comprised of one or more ____.
a.
colors
c.
rocks
b.
elements
d.
structures
 
 
____          28.       A mineral is classified as an ore as long as ____.
a.
it is rare and valuable
c.
it is profitable and useful
b.
it can be used as jewelry
d.
it is solid and natural
 
 
____          29.       The largest group of rock-forming minerals consists of the ____.
a.
quartzes
c.
silicates
b.
halides
d.
oxides
 
 
____          30.       One of the softest minerals is ____.
a.
topaz
c.
talc
b.
quartz
d.
amethyst
 
 
____          31.       All minerals share the following characteristics EXCEPT that of ____.
a.
being formed by natural processes
b.
being formed from living organisms
c.
being solids
d.
having the atoms within the mineral arranged in a pattern
 
 
____          32.       The hardness of quartz is 7. This indicates that quartz will scratch all of the following minerals EXCEPT ____.
a.
talc
c.
topaz
b.
apatite
d.
calcite
 
 
____          33.       Calcite will scratch gypsum. This is an example of the physical characteristics called ____.
a.
hardness
c.
fracture
b.
streak
d.
cleavage
 
 
Matching
 
Match each statement with the correct item below.
a.
compaction
e.
weathering
b.
cementation
f.
marble
c.
limestone
g.
erosion
d.
coal
h.
slate
 
 
____          34.       a kind of organic sedimentary rock
 
____          35.       The process in which rock is exposed to air, water, or ice and breaks into pieces.
 
____          36.       a kind of chemical sedimentary rock
 
____          37.       The process in which pressure from the upper layers of sediment pushes down on the lower layers, causing the sediments to stick together and form solid rock.
 
____          38.       The process in which minerals hold sediment together, like glue, making a detrital sedimentary rock.
 
____          39.       the movement of weathered material
 
____          40.       a kind of foliated metamorphic rock
 
____          41.       a kind of nonfoliated metamorphic rock
 
Completion
Complete each statement.
 
      42.       Sandstone is a(n) ____________________ rock.
 
      43.       Granite is a(n) ____________________ rock.
 
      44.       Obsidian is a(n) ____________________ rock.
 
      45.       Silica-rich, thick magma is ____________________ magma.
 
      46.       Dense, heavy, dark-colored igneous rocks form from ____________________ magma.

 
Physical Science Chpater 20 Exam Review
Answer Section
 
MULTIPLE CHOICE
 
     1.                   ANS:  B                    PTS:   1                    DIF:    A         OBJ:    2/2
STA:                   PS2.1 CS4.2
 
     2.                   ANS:  A                   PTS:   1                    DIF:    B         OBJ:    4/1
STA:                   PS5.1 CS4.2
 
     3.                   ANS:  D                   PTS:   1                    DIF:    A         OBJ:    4/1
STA:                   PS2.1 CS4.2
 
     4.                   ANS:  B                    PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     5.                   ANS:  D                   PTS:   1                    DIF:    B         OBJ:    2/2
STA:                   PS2.1 CS4.2
 
     6.                   ANS:  A                   PTS:   1                    DIF:    B         OBJ:    2/2
STA:                   PS2.1 CS4.2
 
     7.                   ANS:  A                   PTS:   1                    DIF:    B         OBJ:    4/1
STA:                   PS2.1 CS4.2
 
     8.                   ANS:  B                    PTS:   1                    DIF:    B         OBJ:    2/3
STA:                   PS2.1 CS4.2
 
     9.                   ANS:  A                   PTS:   1                    DIF:    B         OBJ:    4/1
STA:                   PS2.1 CS4.2
 
     10.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    4/3
STA:                   PS2.1 CS4.2
 
     11.                 ANS:  D                   PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     12.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    4/1
STA:                   PS2.1 CS4.2
 
     13.                 ANS:  A                   PTS:   1                    DIF:    B         OBJ:    3/3
STA:                   PS2.1 CS4.2
 
     14.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    1/1
STA:                   PS2.1 CS4.2
 
     15.                 ANS:  C                    PTS:   1                    DIF:    A         OBJ:    3/3
STA:                   PS2.1 CS4.2
 
     16.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    2/1
STA:                   PS2.1 CS4.2
 
     17.                 ANS:  A                   PTS:   1                    DIF:    B         OBJ:    2/3
STA:                   PS2.1 CS4.2
 
     18.                 ANS:  D                   PTS:   1                    DIF:    B         OBJ:    2/3
STA:                   PS2.1 CS4.2
 
     19.                 ANS:  D                   PTS:   1                    DIF:    A         OBJ:    2/2
STA:                   PS2.1 CS4.2
 
     20.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    4/3
STA:                   PS2.1 CS4.2
 
     21.                 ANS:  B                    PTS:   1                    DIF:    A         OBJ:    4/1
STA:                   PS2.1 CS4.2
 
     22.                 ANS:  B                    PTS:   1                    DIF:    A         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     23.                 ANS:  A                   PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     24.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     25.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    1/1
STA:                   PS2.1 CS4.2
 
     26.                 ANS:  A                   PTS:   1                    DIF:    B         OBJ:    1/3
STA:                   PS2.1 CS4.2
 
     27.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    1/3
STA:                   PS2.1 CS4.2
 
     28.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     29.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     30.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     31.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    1/1
STA:                   PS2.1 CS4.2
 
     32.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     33.                 ANS:  A                   PTS:   1                    DIF:    A         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
MATCHING
 
     34.                 ANS:  D                   PTS:   1                    DIF:    B         OBJ:    3/3
STA:                   PS2.1 CS4.2
 
     35.                 ANS:  E                    PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     36.                 ANS:  C                    PTS:   1                    DIF:    B         OBJ:    3/3
STA:                   PS2.1 CS4.2
 
     37.                 ANS:  A                   PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     38.                 ANS:  B                    PTS:   1                    DIF:    B         OBJ:    3/1
STA:                   PS2.1 CS4.2
 
     39.                 ANS:  G                   PTS:   1                    DIF:    B         OBJ:    1/2
STA:                   PS2.1 CS4.2
 
     40.                 ANS:  H                   PTS:   1                    DIF:    B         OBJ:    4/3
STA:                   PS2.1 CS4.2
 
     41.                 ANS:  F                    PTS:   1                    DIF:    B         OBJ:    4/3
STA:                   PS2.1 CS4.2
 
COMPLETION
 
     42.                 ANS:  sedimentary
 
PTS:                    1         DIF:               A        OBJ:               3/3      STA:    PS2.1 CS4.2
 
     43.                 ANS:  igneous
 
PTS:                    1         DIF:               A        OBJ:               2/3      STA:    PS2.1 CS4.2
 
     44.                 ANS:  igneous
 
PTS:                    1         DIF:               A        OBJ:               2/3      STA:    PS2.1 CS4.2
 
     45.                 ANS:  granitic
 
PTS:                    1         DIF:               A        OBJ:               2/3      STA:    PS2.1 CS4.2
 
     46.                 ANS:  basaltic
 
PTS:                    1         DIF:               B        OBJ:               2/3      STA:    PS2.1 CS4.2
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