Section #: 6.1
Formation of Sedimentary Rocks
Practice Test
1.
Pieces of preexisting rocks are called __________.
a.
sediments
b.
minerals
c.
rocks
d.
atoms
Hint
2.
Which of the following is an example of a fossil?
a.
a dinosaur bone
b.
a leaf imprint
c.
all of the above
d.
a marine worm burrow
Hint
3.
Which layer shown in the figure is most likely to be the oldest?
a.
A
b.
B
c.
C
d.
unable to tell
Hint
4.
What is the process called that changes sediments to sedimentary rocks?
a.
solidification
b.
weathering and metamorphism
c.
lithification
d.
erosion
Hint
5.
What methods of transport typically deposit sorted sediments?
a.
water and wind
b.
glaciers and wind
c.
mass movement and water
d.
glaciers and water
Hint
6.
What type of weathering breaks rocks into smaller pieces of rock without chemical change?
a.
chemical weathering
b.
clastic sediments
c.
physical weathering
d.
erosional weathering
Hint
7.
What are the two types of weathering?
a.
cementation and chemical
b.
erosion and physical
c.
erosion and chemical
d.
physical and chemical
Hint
8.
What processes aid in the formation of sediments?
a.
weathering and metamorphism
b.
deposition and solidification
c.
weathering and erosion
d.
erosion only
Hint
9.
Gravity, water, wind, and ice all are agents of __________.
a.
cementation
b.
erosion
c.
compaction
d.
lithification
Hint
10.
What process reduces the pore space in sediments due to the weight of overlying sediments?
a.
metamorphism
b.
erosion
c.
cementation
d.
compaction
Hint
11.
Dissolution is an example of __________.
a.
limestone
b.
physical weathering
c.
erosion
d.
chemical weathering
Hint
12.
Symmetrical ripples are the result of sediments being moved __________.
a.
in a back-and-forth motion
b.
in a forward direction
c.
in a circular direction
d.
in a forward direction up an incline
Hint
13.
When are sediments transported by a river deposited?
a.
when the velocity of the river slows down
b.
when the discharge of a river is increased
c.
when the river is transporting too much sediment
d.
when the river gains velocity
Hint
14.
What is the most likely way for rock at the bottom of the land in the figure to be exposed to sunlight.
a.
weathering and erosion
b.
metamorphism
c.
intrusive cooling
d.
fossil digging
Hint
15.
A glacial deposit often is __________.
a.
cross-bedded
b.
well-sorted
c.
unsorted
d.
rippled
Hint
