WorksheetsMinerals Test Review
Total questions: 39
Worksheet time: 26mins
Coal is NOT classified as a mineral because
it is useful as a fuel
it is not valuable
it is part of Earth's crust
it comes from the remains of plants and animals.
Most minerals do NOT split apart evenly. Instead, they have a characteristic type of
cleavage
fracture
crystal
luster
What is the hardest known mineral?
diamond
gold
talc
quartz
All minerals share the following characteristics EXCEPT that of ____.
being formed from living organisms
having the atoms within the mineral arranged in a pattern
being solids
being formed by natural processes
If you broke a mineral into tiny pieces, each piece would
have a different shape.
still show the same crystal structure.
be roughly the same size
has no crystal structure.
When a geologist say that a mineral always contains certain elements in definite proportions, they mean that the mineral ____.
is a rock-forming mineral.
is a solid.
still show the same crystal structure.
has no crystal structure.
All minerals share ____ basic characteristics.
three
four
two
ten
The color of a mineral’s powder is called its
luster.
density.
streak.
hardness.
Although cement, brick, steel, and glass all come from substances found in Earth’s crust, they are NOT classified as minerals because
they have many uses.
they are too hard.
they are not naturally occurring.
they are organic.
Metals are useful for tools because they ____________.
are elements.
are hard yet can be easily shaped.
are compounds.
have a metallic luster.
The hardness of quartz is 7. This indicates that quartz will scratch all of the following minerals EXCEPT ___.
talc
topaz
calcite
apatite
The term used to describe how a mineral reflects light from its surface is ___.
luster
streak
fluorescence
density
A mineral must be inorganic, which means that it contains
parts of living things.
compounds.
materials made by humans.
no materials that were once part of living things.
Which properties are NOT commonly used to identify minerals?
mass and size
reaction with acid
specific gravity
cleavage and fracture
Minerals can form deep inside Earth's crust by
evaporation of ancient seas.
crystallization of melted materials.
cleavage and fracture.
friction along faults.
The repeating pattern of a mineral's particles forms a solid called a(n) ___.
compound
element
crystal
rock
A collector of minerals would want a sample of ___.
sugar
wood
coal
salt
Minerals may form on Earth's surface when ___.
crystallization is delayed.
solutions evaporate.
pure metals are present.
magma heats a solution.
Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called ___.
fracture
hardness
cleavage
streak
Calcite will scratch gypsum. This is an example of the physical characteristic called ___.
fracture
streak
hardness
cleavage
If the cost of separating a mineral from waste rock becomes too great, the mineral may no longer be classified as an ore. This happens because ____.
the mineral can no longer be mined at a profit
the mineral has lost its usefulness
the demand for the mineral has decreased
none of the above
The softest mineral on the Mohs hardness scale is ___.
talc
quartz
apatite
gypsum
As magma cools, its ____ combine into compounds that form a crystal structure, and it becomes a mineral.
atoms
elements
electrons
none of the above
Minerals are comprised of one or more ____.
colors
elements
rocks
structures
______ percent of the Earth's crust is made up of calcium.
2.6
3.6
.36
36.0
Although 90 elements occur naturally in Earth's crust, Figure 1F-2 shows that 98% of the crust is made up of only ____ elements.
7
8
9
The atoms of a mineral are arranged in a repeating pattern to form a solid called a(n) (a) .
Shiny minerals, such as galena, are said to have metallic (a) .
Talcum powder is made from the very soft mineral (a) .
One way to identify a mineral is to rub it against a piece of unglazed tile to observe its (a) .
You can roughly compare the (a) of two mineral samples of the same size by hefting them.
The process by which atoms are arranged to form a mineral with a crystal shape is called (a) .
According to the figure, (a) is the most common element in Earth's crust.
Based on the figure, you can infer that the most common rock-forming minerals are (a) .
The figure shows that together, oxygen and silicon make up (a) percent of Earth's crust.
A mineral is always a (a) because it has a definite volume and shape.
The splitting of a mineral along flat surfaces is a property called (a) .
Which minerals in the table with scratch Quartz.
Topaz
Corundum
Diamond
Fluorite
Don't forget to go over questions 39-47 on the study guide! Some will definitely be on the test!!!! Guarantee!
Sure thing!
I'm looking over it!
I don't care, I want to fail it.
Yes, I will study them.
