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WorksheetsUnit 7 Review: Minerals and Igneous Rocks
Total questions: 60
Worksheet time: 1hrs 17mins
Name
Class
Date
1.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
2.
The mineral in the picture has a ____________ luster.
a)
Nonmetallic
b)
Metallic
c)
Pearly
d)
Earthy
3.
Which of the following is NOT a way to identify a mineral?
a)
Luster
b)
Hardness
c)
Heaviness
d)
Density
4.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
5.
Identify one mineral below that can scratch the mineral olivine.
a)
amphibole
b)
muscovite mica
c)
plagioclase feldspar
d)
quartz
6.
Igneous rock that hardens from lava on the Earth's surface
a)
Intrusive Igneous Rock
b)
Extrusive Igneous Rock
c)
Granitic Igneous Rock
d)
Basaltic Igneous Rock
7.
Igneous rock that forms from magma deep inside the Earth
a)
Intrusive Igneous Rock
b)
Extrusive Igneous Rock
c)
Granitic
d)
Basaltic
8.
Extremely fast cooling of molten rock results in what type of texture?
a)
coarse grained texture
b)
fine grained texture
c)
glassy texture
d)
very coarse texture
9.
What is the name of a mafic, extrusive igneous rock?
a)
Granite
b)
Rhyolite
c)
Gabbro
d)
Basalt
10.
What is the name of a felsic, intrusive igneous rock?
a)
pegmatite
b)
Rhyolite
c)
Gabbro
d)
Basalt
11.
What is the name of a felsic, extrusive glassy igneous rock that is shiny and sharp edges?
a)
Basaltic Glass
b)
Obsidian
c)
Andesite
d)
Pumice
12.
Coarse, Fine, or Glassy?
a)
coarse
b)
fine
c)
glassy
13.
Coarse, Fine, or Glassy?
a)
coarse
b)
fine
c)
glassy
14.
Describe this rock
a)
Intrusive, Felsic
b)
Intrusive, Mafic
c)
Extrusive, Felsic
d)
Extrusive, Mafic
15.
Felsic or Mafic?
a)
Felsic
b)
Mafic
16.
How do Intrusive Igneous rocks cool?
a)
quickly
b)
slowly
c)
really fast
d)
none of these
17.
Extrusive rocks that form quickly above the Earths surface have
a)
small crystals
b)
large crystals
c)
small and large crystals
d)
no crystals
18.
Which property is most useful in distinguishing between galena and halite?
a)
cleavage
b)
luster
c)
hardness
d)
breakage
19.
An INTRUSIVE igneous rock with large crystals is formed:
a)
When magma cools quickly, above ground.
b)
When magma cools slowly, above ground.
c)
When magma cools slowly, below ground.
d)
When magma cools quickly, below ground.
20.
Which mineral will scratch fluorite, galena, and pyroxene?
a)
graphite
b)
olivine
c)
calcite
d)
dolomite
21.
Which element is found in both biotite mica and muscovite mica?
a)
magnesium
b)
oxygen
c)
iron
d)
carbon
22.
The following image is the best example of which mineral property?
a)
Hardness
b)
Streak
c)
Cleavage
d)
Fracture
23.
How light reflects off of a mineral is called the mineral's
a)
luster
b)
streak
c)
cleavage
d)
fracture
24.
The color of a mineral in powder form is called the mineral's
a)
hardness
b)
breakage
c)
luster
d)
streak
25.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
26.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
27.
What mineral is used for table salt?
a)
quartz
b)
sulfur
c)
halite
d)
calcite
28.
The solid, geometric form of a mineral produced by a repeating pattern of atoms is called a
a)
crystal
b)
density
c)
element
d)
fracture
29.
Large crystals are going to form
a)
when lava erupts from a volcano
b)
when a shallow sea evaporates
c)
when magma underground cools off
d)
all of the above
30.
A mineral breaks into smooth flat surfaces with repeated shapes. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
31.
___________ is the color of powdered mineral.
a)
Luster
b)
Streak
c)
Fracture
d)
Cleavage
32.
_________ is how easily something can be scratched.
a)
specific gravity
b)
luster
c)
hardness
d)
fracture
33.
___________ describes how the mineral reflects light.
a)
cleavage
b)
magnetic
c)
luster
d)
reflectivity
34.
Minerals are identified by observing their ___________.
a)
physical properties
b)
name
c)
location
d)
uses
35.
_____ is if something breaks into smooth flat layers.
a)
fracture
b)
cleavage
c)
streak
d)
breakage
36.
Based on the chart and your ESRT, Mineral A is most likely
a)
garnet
b)
olivine
c)
halite
d)
galena
37.
Which mineral can scratch A, B, and C, but cannot scratch D?
a)
talc
b)
fluorite
c)
selenite gypsum
d)
quartz
38.
Quartz and halite have different crystal shapes primarily because
a)
light reflects from crystal surfaces
b)
energy is released during crystallization
c)
of impurities that produce surface variations
d)
of the internal arrangement of the atoms
39.
Which mineral is hard enough to scratch calcite but is not hard enough to scratch amphibole?
a)
muscovite mica
b)
fluorite
c)
olivine
d)
graphite
40.
The diagram shows a mineral classification scheme based on the properties of certain minerals. Assume that glass has a hardness of 5.5.
In which zone would the mineral potassium feldspar be placed? [HINT: USE YOUR ESRT]
In which zone would the mineral potassium feldspar be placed? [HINT: USE YOUR ESRT]
a)
Zone A
b)
Zone D
c)
Zone B
d)
Zone G
41.
The diagram shows a mineral classification scheme based on the properties of certain minerals. Assume that glass has a hardness of 5.5.
In which zone would the mineral graphite be placed? [HINT: USE YOUR ESRT]
a)
Zone A
b)
Zone F
c)
Zone B
d)
Zone C
42.
Part of a gemstone’s value is based on the way the gemstone shines in reflected light. The way a mineral reflects light is described as the mineral’s
a)
luster
b)
streak
c)
fracture
d)
hardness
43.
The hardness and density of each gemstone is based primarily on the gemstone’s
a)
internal arrangement of atoms
b)
oxygen content
c)
geologic time of formation
d)
natural abundance
44.
The diagram below shows four mineral samples, each having approximately the same mass.
If all four samples are placed together in a closed, dry container and shaken vigorously for 10 minutes, which mineral sample would experience the most abrasion?
If all four samples are placed together in a closed, dry container and shaken vigorously for 10 minutes, which mineral sample would experience the most abrasion?
a)
quartz
b)
pyroxene
c)
amphibole
d)
galena
45.
Silicate minerals contain the elements silicon and oxygen. Which list contains only silicate minerals?
a)
graphite, talc, and selenite gypsum
b)
potassium feldspar, quartz, and amphibole
c)
calcite, dolomite, and pyroxene
d)
biotite mica, fluorite, and garnet
46.
Which igneous rock is dark colored, cooled rapidly on Earth’s surface, and is composed mainly of plagioclase feldspar, olivine, and pyroxene?
a)
obsidian
b)
gabbro
c)
rhyolite
d)
scoria
47.
The photograph below shows an outcrop where a light-colored, igneous rock is cross cut by a dark-colored, igneous rock.
This fine-grained, dark-colored, igneous rock is most likely
This fine-grained, dark-colored, igneous rock is most likely
a)
rhyolite
b)
diorite
c)
basalt
d)
gabbro
48.
Compared to felsic igneous rocks, mafic igneous rocks contain greater amounts of
a)
white quartz
b)
pink feldspar
c)
aluminium
d)
iron
49.
Which igneous rock has a vesicular texture and a felsic composition?
a)
pumice
b)
basalt
c)
granite
d)
scoria
50.
An extrusive igneous rock with a mineral composition of 35% quartz, 35% potassium feldspar, 15% plagioclase feldspar, 10% biotite, and 5% amphibole is called
a)
rhyolite
b)
granite
c)
gabbro
d)
basaltic glass
51.
Rock B has a glassy, vesicular texture and is composed mainly of potassium feldspar and quartz. State the name of rock B.
a)
obsidian
b)
pumice
c)
scoria
d)
basaltic glass
52.
What is the origin of fine-grained igneous rock?
a)
lava that cooled slowly on Earth’s surface
b)
lava that cooled quickly on Earth’s surface
c)
silt that settled slowly in ocean water
d)
silt that settled quickly in ocean water
53.
Based on the minerals present, identify the relative color and density of this igneous rock compared to mafic igneous rocks with the same crystal size.
a)
Color—darker
Density—higher
Density—higher
b)
Color—darker
Density—lower
Density—lower
c)
Color—lighter
Density—higher
Density—higher
d)
Color—lighter
Density—lower
Density—lower
54.
Identify the environment of formation of this igneous rock based on the size of its intergrown crystals.
a)
volcanic
b)
extrusive
c)
in a lava flow
d)
intrusive
55.
Which mineral is most frequently found in both granitic (GRANITE) continental crust and basaltic (BASALT) oceanic crust?
a)
plagioclase feldspar
b)
potassium feldspar
c)
olivine
d)
quartz
56.
Identify two minerals found in an igneous rock that is produced from the explosive rhyolite magma.
a)
quartz and olivine
b)
biotite and pyroxene
c)
potassium feldspar and quartz
d)
potassium feldspar and olivine
57.
Describe the texture and color of basalt that is produced produced by the Yellowstone Hot Spot.
a)
Texture—glassy
Color—darker
Color—darker
b)
Texture—coarse
Color—lighter
Color—lighter
c)
Texture—fine
Color—lighter
Color—lighter
d)
Texture—non-vesicular
Color—darker
Color—darker
58.
The data table gives characteristics of the gemstone peridot.
Peridot is a form of the mineral
Peridot is a form of the mineral
a)
pyrite
b)
olivine
c)
pyroxene
d)
garnet
59.
Which mineral is mined for its iron content?
a)
hematite
b)
galena
c)
fluorite
d)
talc
60.
The basaltic rock that forms volcanic mountains where mantle plumes reach Earth’s surface is usually composed of
a)
fine-grained, dark-colored felsic minerals
b)
coarse-grained, light-colored felsic minerals
c)
fine-grained, dark-colored mafic minerals
d)
coarse-grained, light-colored mafic minerals
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