WorksheetsQuiz on Rocks and Minerals
Total questions: 40
Worksheet time: 20mins
Minerals are composed of one or more ...
colors.
elements.
rocks.
structures.
A crystal is always ...
solid.
a cube.
liquid.
valuable.
A mineral is referred to as an ore as long as ...
it's rare and valuable.
it can be used for jewelry.
it's profitable and useful.
it's solid and natural.
Crystals may be ...
cubic.
monoclinic.
tetragonal.
any of the above, or others.
A person collecting minerals may want to include a sample of ...
salt.
sugar.
coal.
wood.
The largest group of rock-forming minerals consists of the ...
carbonates.
oxides.
halites.
silicates.
A salt crystal represents the _________ crystal system.
orthorhombic
isometric
monoclinic
tetragonal
One of the softest minerals is _____________.
talc
quartz
gold
graphite
All minerals are ...
solids
inorganic
composed of a specific chemical makeup
all of the above
Titanium is ...
nontoxic.
durable.
lightweight.
all of the above.
The formula for quartz is ...
CaCO3
SiO2
NaCl
NaAlSi3o8
Sugar is not considered a mineral because it is ...
inorganic.
sweet.
noncrystalline.
organic.
In order to form, crystals need ...
enough room to grow
enough time to grow
proper temperatures
all of the above
Molten materials below the Earth's surface are called ...
lava
magma
rocks
none of the above
The breaking of a mineral along a smooth, flat plane is called ...
cleavage
fracture
streak
a gem cut
Luster describes ...
the color of a mineral
the way light reflects off a mineral's surface
the density of a mineral
how a mineral breaks
Hardness describes ...
a mineral's ability to withstand pressure
the resistance of a mineral to being scratched
a mineral's tendency to break
how soft a mineral is
One mineral with a distinct smell is ...
iron
gold
halite
sulfur
The color of a powdered mineral on a piece of unglazed porcelain is called ...
form
luster
streak
cleavage
Specific gravity is a(n) ...
physical characteristic
chemical property
optical condition
sensory anomaly
The most abundant mineral in the Earth's crust is ...
silicon
iron
oxygen
aluminum
A mineral that will react with hydrochloric acid is ...
calcite
gold
quartz
orthoclase
The least useful physical property for identifying minerals is ...
streak
color
density
chemical composition
Sapphires and rubies are ...
semi-precious stones
corundums
carbonates
relatively soft
Magma that cools slowly forms ...
clastic sedimentary rock
intrusive igneous rock
extrusive igneous rock
foliated metamorphic rock
A process not involved the rock cycle is ...
erosion
melting
compaction
identification
Foliated rocks are distinguished by their ...
flaking
texture
banding
color
Rocks formed during metamorphism do not depend upon ...
pressure
temperature
the original rock's composition
the Earths magnetic field
While quartz is considered a mineral, granite is considered a(n) ...
rock
gem
ore
composite
Metamorphic rocks are classified as either ...
clastic or non-clastic
foliated or non-foliated
intrusive or extrusive
chemical or organic
At least in part, magma is produced as a result of ...
the Earth's magnetic field
radioactivity
the Sun's gravitational influence
none of the above
Metamorphism can cause all of the following changes except ...
a sudden melting of minerals
an exchange of atoms
an enlargement of mineral grains
an alignment of mineral grains
Today, coal is still used to produce ...
electricity
radioactive waste
a fuel source
limestone
The rock cycle indicates that
all rocks form as a result of compaction
rocks change over time
only heat can change rocks
rocks are composed of minerals
An example of a fine-grained igneous rock would include ...
granite
pegmatite
quartz
basalt
Burning waste coal with _________ creates an alkaline ash that helps neutralize acid runoff.
crushed limestone
sulfur dioxide
low-grade cements
wood ash
The crystals that form in slowly cooling magma are considered ...
large
colorful
valuable
ores
The minerals mica, hornblende, feldspar, and quartz mix together to form the rock known as ...
schist
shale
granite
slate
Of the rocks below, only ___________ is considered extrusive igneous.
slate
granite
sandstone
obsidian
Which process below is not used to classify rocks?
composition
irradiation
formation
none of the above
