WorksheetsRock Hound
Total questions: 83
Worksheet time: 3hrs 46mins
"What is this rock
granite
quartzite
coal
What rock is this
Sandstone
Marble
obsidian
What rock is this?
Sandstone
Baslt
Gneiss
What rock is this?
Pumice
Organic Limestone
Phyllite
What rock is this?
Granite
Rock Salt
Metacongolmerate
What rock is this?
Granite
Arkose
Gneiss
What rock is this?
Schist
Coquina
Obsidian
What rock is this?
Conglomerate
Scoria
Slate
What rock is this?
Granite
Gypsum
Anthosite coal
What rock is this
Shale
Quartzite
Gabbro
What rock is this?
Limestone
Anthosite Coal
Scoria
What rock is this?
Gypsum
Diorite
Quartzite
What rock is this?
Scoria
Chert
ooleck Limestone
What rock is this?
Basalt
Gneiss
Sandstone
What rock is this?
Quarzite
Granite
Breccia
What rock is this?
Marble
Pumice
Shale
What rock is this?
Obsidian
Arkose
Schist
What rock is this?
Phyllite
Organic Limestone
Rhyolite
What rock is this?
Schist
Basalt
Chert
What rock is this?
Diorite
Breccia
Coquina
"Splotchy" most likely refers to a mineral's:
color
hardness
streak
luster
Which of the following is the least important property of a mineral?
streak
hardness
luster
color
A mineral is described as "metallic." This description refers to its:
color
hardness
luster
streak
The hardest mineral is:
feldspar
gypsum
diamond
talc
The Mohs scale is used to measure:
streak
cleavage
hardness
luster
A mineral can be scratched by quartz. Its hardness is:
greater than 7
equal to or less than 7
less than 7
equal to 7
Cleavage refers to the way a rock:
shines
breaks
streaks
is made
Which sedimentary rock has a fine-grained texture?
1
2
3
4
Rocks and sediment change as they move through the rock cycle. Which change involves turning into melting?
Lava to rock
magma to lava
rock to magma
rock to sediment
Foliations occur in metamorphic rocks perpendicular to the direction of applied pressure.
True
False
Metamorphic rocks that don't fully melt when touching magma go through ___.
regional metamorphism
contact metamorphism
crystallization
lithification
Norman Bowen was a geoscientist from
Great Britain
United States
Canada
Germany
The Shire
Minerals that crystallize at higher temperatures tend to be low in
Iron
Calcium
Silicon
Magnesium
Minerals that crystallize at lower temperatures tend to be low in
Iron
Potassium
Silicon
Oxygen
The mineral that melts first as rock heats up would be
Calcium Plagioclase
Potassium Feldspar
Sodium Plagioclase
Biotite
Which of the following would crystallize first as magma cools.
Pyroxene
Quartz
Amphibole
Sodium Plagioclase
Mafic rocks are composed of mostly
silicon and calcium
sodium and magnesium
potassium and aluminum
iron and magnesium
The lighter in color the igneous rock, the higher the amount of
iron
silica
calcium
sodium
Magmas that form at high temperatures and pressures tend to be
high in viscosity and low in silica
low in viscosity and high in silica
high in viscosity and high in silica
low in viscosity and low in silica
Magmas that form at lower temperatures and pressures tend to be
High in silica and high in viscosity
Low in silica and low in viscosity
High in silica and low in viscosity
Low in silica and high in viscosity
If a magma has the same composition but cools at a slower rate the result will be
a rock with different mineral composition
a rock with smaller grain size
a rock with larger grain size
a rock with lighter colors
Bowen found that the following minerals crystallized in a discontinuous pattern
Sodium, calcium, and potassium plagioclase
quartz, potassium feldspar, olivine, and muscovite
biotite, calcium plagioclase, and pyroxene
olivine, pyroxene, amphibole, and biotite
What elements would this rock most likely be rich in?
iron and magnesium
silicon and oxygen
sodium and potassium
aluminum and sodium
The following form of plagioclase would be found
At the top of the discontinuous series
At the top of the continuous series
At the bottom of the discontinuous series
At the bottom of the continuous series
Igneous rocks that have 10% or less silica content are classified as
Ultra-alkaline
Ultra-felsic
Ultra-mafic
Ultra-basic
Porphrytic igneous rocks are the result of
rapid cooling and crystallization of magma
slow cooling and crystallization of a magma
differential cooling and crystallization magma
gradual cooling and crystallization of magma
Which rock would be the most stable at the surface?
granite
diorite
basalt
gabbro
Which of these igneous rocks would have the highest specific gravity
Granite
Syenite
Andesite
Gabbro
Which of these rocks would have the lightest color
90% calcium plagioclase/10% sodium plagioclase
50% sodium plagioclase/50 calcium plagioclase
90% sodium plagioclase/10% calcium plagioclase
5% sodium plagioclase/95% calcium plagioclase
Which of the following locations would have a beach with black sand?
Florida
Hawaii
Iceland
Alaska
Why are most beaches tan?
They are composed of mostly quartz which resists weathering best
The minerals that make them get bleached out by the sun
Olivine is hard and highly resists weathering.
Calcium plagioclase gives it a light color.
What is the first mineral to crystallize in a magma chamber as it cools?
quartz
olivine
mica
If a magma chamber slowly cools to solid rock underground, where would you expect to find the ultramafic rocks located?
at the top
in the middle
at the bottom
Granitic (felsic) rocks are generally
light colored
dark colored
rainbow glitter colored
As a magma chamber is cooling, where would you expect the first minerals to crystallize?
at the top
in the middle
at the bottom
Which of the rocks below contains the most quartz?
basalt
gabbro
granite
Which statement about mineral characteristics is true?
In order for a substance to be classified as a mineral it must be man made.
In order for a substance to be classified as a mineral it must have 4 out of 5 characteristics of a mineral
In order for a substance to be classified as a mineral it must have all 5 characteristics of a mineral.
In order for a substance to be classified as a mineral it must have 2 characteristics of a mineral.
What does inorganic mean?
it comes from living things
it does not come from living thing
it can come from living things or nonliving things
none are correct
What is the difference between rocks and minerals?
Rocks are made up of more than one mineral. Minerals are only made of one mineral.
Minerals are hard and rocks are not.
Rocks smell good and minerals do not.
Minerals are not useful and rocks are useful.
Are minerals made of rocks?
yes
no
By definition, a mineral has which of the following characteristic(s)?
fixed chemical formula
crystalline structure
naturally occuring
all of the above
Which of these best defines a mineral?
Minerals are always liquid and inorganic.
Minerals are always solid and organic.
Minerals are always solid and inorganic.
Minerals are always a liquid and organic.
Which of the following is true?
Rocks are made of minerals; minerals are made of elements.
Minerals are made of rocks; rocks are made of elements.
Elements are made of minerals; minerals are made of rocks.
Rocks are made of minerals; elements are made of rocks.
Every sample of quartz has the same elements inside of it. This is because all minerals have what mineral property?
Inorganic
Definite Chemical Composition
Crystal Structure
Solid
Coal is a rock that is made up of trees that died millions of years ago. Is coal organic or inorganic?
Organic
Inorganic
Diamond is a mineral and nothing inside of diamond was ever alive. Is diamond organic or inorganic?
Inorganic
Organic
True or False? Diamonds and salt are both minerals.
True
False
Which of the following is NOT true about minerals?
Each mineral has a fixed chemical composition
Minerals are renewable resources
Minerals are natural substances
Minerals are very useful for us
Which of these are characteristics that minerals have? You may choose more than one.
solid
made by people
organic
definite chemical formula
shiny
In which of these places can a mineral be made? You may choose more than one.
river bed
in a lab
underground
buried under sand
by animals
