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Sedimentary Rocks
Test Description: Sedimentary rock formation, characteristics of different types of sedimentary rock and size variations within the rocks.
Instructions: Answer all questions to get your test result.
1) Which type of rock is likely to show ripple marks and fossils?
A
extrusive igneous
B
sedimentary
C
intrusive igneous
D
metamorphic
2) Which statement about the formation of a rock is best supported by geologic evidence?
A
Sediment must be compacted and cemented before it can change to sedimentary rock.
B
Magma must be weathered before it can change to metamorphic rock.
C
Sedimentary rock must melt before it can change to metamorphic rock.
D
Metamorphic rock must melt before it can change to sedimentary rock.
3) Which rock is made up of angular fragments of rock held together by a natural cement?
A
quartzite
B
granite
C
scoria
D
breccia
4) Which process would form a sedimentary rock?
A
precipitation of minerals as the seawater evaporates
B
cooling of a lava flow on the Earth's surface
C
cooling of molten magma within the Earth's crust
D
recrystallization of unmelted material within the Earth's crust
5) Large rock salt deposits in the Syracuse area indicate that the area once had
A
a range of volcanic mountains
B
a warm, shallow sea
C
large forests
D
many terrestrial animals
6) Limestone can form as a result of
A
cooling of molten rock under the oceans
B
metamorphosis of conglomerate rock
C
precipitation from evaporating water
D
radioactive decay of dolostone
7) Limestone is a sedimentary rock which may form as a result of
A
biologic processes
B
metamorphism
C
melting
D
recrystallization
8) Sedimentary rocks of organic origin would most likely be formed from
A
particles removed from the atmosphere by precipitation
B
shells of marine animals
C
materials deposited by glaciers
D
sediments eroded by running water
9) The map symbol of the rock that looks like bricks on a house is
A
regional metamorphic rock with block like foliation
B
clastic sedimentary rock formed from organic substances
C
contact metamorphic rock that results from the alteration of limestone
D
chemically formed sedimentary rock that consists mainly of the mineral calcite
10) If the size of a particle in a rock is bigger then a dime, what type of rock would you have?
A
sandstone
B
siltstone
C
shale
D
conglomerate
*select an answer for all questions
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