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Earth Science: Sedimentary Rocks
Test Description: A review of sedimentary rocks.
Instructions: Answer all questions to get your test result.
1) Most sedimentary rocks are composed of
A
composed primarily of different minerals from Earth
B
composed of mixtures of igneous and metamorphic rocks
C
composed primarily of weathered remains of rocks
D
composed of mienrals of igneous rocks
2) Sedimentary rocks form from
A
weather patterns changing
B
compression, rock layering
C
cementing and weathering
D
compression, cementing of grains
3) Fragmental rocks are made up of
A
different sized particles
B
same sized particles
C
small particles
D
large particles
4) Two types of sedimentary rocks that do not fit the scheme are
A
none of the above
B
organic and weathered
C
organic and crystalline
D
crystalline and weathered
5) What rock are formed mainly from the remains of living things
A
breccia
B
rock salt
C
shale
D
coal
6) Some sedimentary rocks form as a direct result of
A
solidification of melted rock
B
evaporation of seawater
C
recrystallization just before melting
D
erosion of solid rock
7) I have a crystalline structure with a varied grain size and halite in composition
A
limestone
B
dolostone
C
rock gypsum
D
rock salt
8) I have a fragmental texture and a 0.2 to 0.0006cm grain size. I have a fine to coarse grain size.
A
breccia
B
conglomerate
C
shale
D
sandstone
9) I have a crystalline structure that varies in grain size and am made up of dolomite.
A
rock salt
B
coal
C
limestone
D
dolostone
10) I have a clastic texture with less than 0.0004cm. I am compact.
A
shale
B
breccia
C
sandstone
D
siltstone
*select an answer for all questions
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