Sedimentary and Metamorphic Rocks
Practice Test
1.
What particles make up the nucleus of an atom?
a.
protons only
b.
protons and neutrons
c.
neutrons and electrons
d.
electrons only
2.
Oceanic crust melts at __________ than continental crust.
SC.D.1.4.2
a.
higher temperatures
b.
lower temperatures
c.
the same temperature
d.
higher pressures and lower temperatures
3.
__________ metamorphic rocks are formed at high temperatures and medium to low pressures.
SC.D.1.4.2
a.
Contact
b.
Hydrothermal
c.
Regional
d.
Low-grade
4.
Sedimentary layers with distinct grain sizes progressing from larger to smaller are called __________.
a.
layered deposits
b.
glacial deposits
c.
graded beds
d.
unsorted deposits
5.
What processes aid in the formation of sediments?
a.
erosion only
b.
deposition and solidification
c.
weathering and erosion
d.
weathering and metamorphism
6.
What is a gas that is composed of positive ions and free electrons?
SC.A.1.4.3
a.
hydrogen
b.
a liquid
c.
neon
d.
a plasma
7.
What makes an element stable?
SC.A.1.4..5
a.
if its outermost energy level is full
b.
if it has a covalent bond
c.
if its nucleus is packed tightly
d.
if it has the same number of neutrons and protons
8.
What is a hypothesis?
SC.H.1.4.1
a.
A hypothesis is a suggested explanation of an observation.
b.
A hypothesis is the first step of the scientific method.
c.
A hypothesis is the answer to a scientific question.
d.
A hypothesis is the same as identifying the problem in the scientific method.
9.
According to the symbols shown in the figure, in which state of matter do these elements occur?
SC.A.1.4.3
a.
gas
b.
solid
c.
liquid
d.
plasma
10.
Bases produce __________ in solution.
a.
oxygen ions
b.
hydroxide ions
c.
hydrogen ions
d.
helium ions
11.
__________ is the way a mineral reflects light.
a.
Cleavage
b.
Luster
c.
Streak
d.
Color
12.
What is an example of an SI unit of area?
a.
cm
b.
m
2
c.
cm
3
d.
g/mL
13.
What process is labeled C in the figure?
SC.A.1.4.3
a.
condensation
b.
sublimation
c.
evaporation
d.
melting
14.
What is the source of heat inside Earth that melts rocks into magma?
SC.D.1.4.2
a.
Earth's core is hotter for no reason.
b.
other molten rocks
c.
the decay of radioactive elements
d.
geothermal energy
15.
What type of metamorphic rock is a result of increased pressure and temperature affecting large regions of Earth's crust?
SC.D.1.4.2
a.
foliated metamorphism
b.
regional metamorphism
c.
contact metamorphism
d.
hydrothermal metamorphism
16.
Which of the following is an example of an evaporite?
a.
breccia
b.
coal
c.
rock salt
d.
shale
17.
A mineral is __________ if it can be mined for profit.
a.
a crystal
b.
a rock
c.
an igneous rock
d.
an ore
18.
What process reduces the pore space in sediments due to the weight of overlying sediments?
a.
erosion
b.
metamorphism
c.
cementation
d.
compaction
