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