Section #: 6.1
Formation of Sedimentary Rocks
Practice Test
1.
A glacial deposit often is __________.
a.
cross-bedded
b.
well-sorted
c.
unsorted
d.
rippled
Hint
2.
What process reduces the pore space in sediments due to the weight of overlying sediments?
a.
erosion
b.
metamorphism
c.
compaction
d.
cementation
Hint
3.
What methods of transport typically deposit sorted sediments?
a.
glaciers and water
b.
water and wind
c.
mass movement and water
d.
glaciers and wind
4.
Pieces of preexisting rocks are called __________.
a.
minerals
b.
sediments
c.
atoms
d.
rocks
5.
When are sediments transported by a river deposited?
a.
when the discharge of a river is increased
b.
when the velocity of the river slows down
c.
when the river gains velocity
d.
when the river is transporting too much sediment
6.
Dissolution is an example of __________.
a.
erosion
b.
limestone
c.
physical weathering
d.
chemical weathering
Hint
7.
What type of weathering breaks rocks into smaller pieces of rock without chemical change?
a.
clastic sediments
b.
erosional weathering
c.
chemical weathering
d.
physical weathering
Hint
8.
Symmetrical ripples are the result of sediments being moved __________.
a.
in a circular direction
b.
in a forward direction
c.
in a forward direction up an incline
d.
in a back-and-forth motion
9.
What is the process called that changes sediments to sedimentary rocks?
a.
weathering and metamorphism
b.
solidification
c.
lithification
d.
erosion
Hint
10.
What processes aid in the formation of sediments?
a.
weathering and erosion
b.
deposition and solidification
c.
erosion only
d.
weathering and metamorphism
Hint
11.
What are the two types of weathering?
a.
physical and chemical
b.
erosion and physical
c.
cementation and chemical
d.
erosion and chemical
Hint
