Earth Science Geology, the Environment, and the Universe

Chapter 6: Sedimentary and Metamorphic Rocks

Chapter Test Practice-English

1
Which type of metamorphism occurs at high temperatures and medium to low pressures?
A)regional
B)contact
C)low-grade
D)hydrothermal
2
Which type of metamorphism occurs when very hot, mineral rich water comes in contact with surrounding rock?
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A)regional
B)contact
C)hydrothermal
D)compacted
3
Before metamorphism, marble was what type of rock?
A)Schist
B)rock salt
C)siltstone
D)limestone
4
What type of weathering occurs when minerals get dissolved?
A)erosion
B)chemical
C)physical
D)transportation
5
How are clastic rocks classified?
A)method of deposition
B)particle size
C)mineralogy
D)metamorphic grade
6
The grains in a conglomerate most likely traveled _________ than the grains in a sandstone.
A)a shorter distance
B)a farther distance
C)the same distance
D)a different distance
7
Using the figure, what is the temperature range to produce low-grade regional metamorphic rock?
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A)0-200 degrees C
B)0-375 degrees C
C)200-600 degrees C
D)more than 750 degrees C
8
What are the two types of weathering?
A)erosion and physical
B)erosion and chemical
C)cementation and chemical
D)physical and chemical
9
What do different grades of metamorphic rocks reflect?
A)relative amount of compaction
B)relative amount of pressure only
C)relative amount of temperature and cementation
D)relative amount pressure and temperature
10
What is the most likely way for the rock layer at the bottom of the sequence shown below to be exposed to sunlight?
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A)weathering and erosion
B)metamorphism
C)fossil digging
D)intrusive cooling
11
What processes aid in the formation of sediments?
A)erosion only
B)deposition and solidification
C)weathering and metamorphism
D)weathering and erosion
12
Wind and water can push sediment into distinct layers and shapes. What is formed by moving river water?
A)layered bedding
B)graded bedding
C)symmetrical ripple marks
D)asymmetrical ripple marks
13
What would happen to the pond in the figure if the freshwater inflow stream and path to the ocean disappeared?
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A)It would produce extrusive igneous rocks.
B)All life will stop living in the pond.
C)Water would come from somewhere else.
D)The entire lake would eventually evaporate away, leaving only evaporites.
14
When are sediments transported by a river deposited?
A)when the velocity of the river slows down
B)when the river is transporting too much sediment
C)when the discharge of a river is increased
D)when the river gains velocity
15
Which of the following is an example of an evaporite?
A)breccia
B)coal
C)rock salt
D)shale
16
Why is porosity in sandstone important?
A)Water and oil can travel through it with ease.
B)Burrowing animals can get oxygen through the pores spaces.
C)The spaces resist compaction from overlying material.
D)They provide the space for cement to attach to individual grains.
17
What methods of transport typically deposit sorted sediments?
A)glaciers and water
B)water and wind
C)glaciers and wind
D)mass movement and water
18
Metamorphic rocks with aligned minerals have a ____ texture.
A)distinct
B)compact
C)nonfoliated
D)foliated
19
Most sedimentary rocks are formed by _____.
A)uplifting
B)compaction and cementation
C)eruption of volcanoes
D)changes deep within Earth
20
Rocks are classified as igneous, sedimentary, or metamorphic based primarily on their ____.
A)texture
B)crystal or grain size
C)process of formation
D)mineral composition
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