Sedimentary and Metamorphic Rocks
Practice Test
1.
A __________ ranges in grain size from 2 mm to 0.062 mm.
a.
boulder
b.
silt grain
c.
sand grain
d.
cobble
2.
How is 100 000 000 written in scientific notation?
a.
1 x 10
8
b.
1 x 100 000 000
c.
1 x 100
8
d.
1 x 10
-8
3.
According to the table, which mineral is capable of scratching garnet?
Mineral
Color
Hardness
Gold
Metallic gold
2.5- 3
Apatite
Blue, green
5
Pyrite
Metallic pale brass, gold
6-6.5
Garnet
Red, deep red, brown
7.5- 8
Corundumm
Red, deep red
9
a.
pyrite
b.
gold
c.
corundum
d.
apatite
4.
When a gas cools, it __________ thermal energy in the process of __________.
a.
releases, condensation
b.
releases, evaporation
c.
gains, condensation
d.
gains, sublimation
5.
An igneous rock with two distinct grain sizes has a __________ texture.
a.
porphyritic
b.
felsic
c.
fine-grained
d.
coarse-grained
6.
A scientist using a device shown in Figure 1 studies which earth system?
a.
lithosphere
b.
atmosphere
c.
hydrophere
d.
biosphere
7.
Which rock has an intermediate composition?
a.
basaltic
b.
rhyolite
c.
dunite
d.
diorite
8.
Sedimentary layers with distinct grain sizes progressing from larger to smaller are called __________.
a.
glacial deposits
b.
layered deposits
c.
unsorted deposits
d.
graded beds
9.
What is the numerical value for the hardest mineral on the Mohs hardness scale?
a.
10
b.
11
c.
100
d.
20
10.
What is a solid that has particles arranged in regular geometric patterns?
a.
a covalent bond
b.
an iconic compound
c.
a crystalline structure
d.
a gas
11.
What is the standard SI unit of weight?
a.
newton
b.
pound
c.
ounce
d.
gram
12.
What is a substance that cannot be broken down into simpler substances with all the characteristics of the substance?
a.
an element
b.
a gas
c.
a solid
d.
matter
13.
What process explains why a molten magma often is a mix of molten rock and crystals?
a.
melting points
b.
Bowen's reaction series
c.
partial melting
d.
plate tectonics
14.
What is the most likely way for rock at the bottom of the land in the figure to be exposed to sunlight.
a.
intrusive cooling
b.
weathering and erosion
c.
fossil digging
d.
metamorphism
15.
A __________ is composed of two or more atoms held together by covalent bonds.
a.
ionic bond
b.
covalent bond
c.
molecule
d.
a gas
16.
Gravity, water, wind, and ice all are agents of __________.
a.
cementation
b.
compaction
c.
erosion
d.
lithification
17.
The __________ includes organisms living on Earth and their environments.
a.
hydrosphere
b.
biosphere
c.
atmosphere
d.
lithosphere
18.
Metamorphic rocks with aligned minerals have a __________ texture.
a.
nonfoliated
b.
foliated
c.
distinct
d.
compact
19.
Before metamorphism, marble was what type of rock?
a.
siltstone
b.
rock salt
c.
schist
d.
limestone
20.
According to the figure, what types of minerals are ultramafic?
a.
feldspar and biotite
b.
pyroxine and olivine
c.
feldspar and quartz
d.
amphibole and pyronene
21.
Electrons tend to occupy the __________ energy level.
a.
intermediate
b.
highest available
c.
lowest available
d.
second
22.
What is an ion?
a.
a gas
b.
an isotope
c.
a molecule
d.
a charged particle
