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properties
identification
Resources
Formation
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QUESTION:
What is a mineral
ANSWER:
•A mineral is a naturally occurring, inorganic solid that has
a crystal structure and a defined chemical composition.
QUESTION:
•What does inorganic mean?
ANSWER:
•The mineral cannot form from materials that were once
part of a living thing.
QUESTION:
•What is a crystal structure?
ANSWER:
Particles of a mineral line up in a pattern that repeats over
and over again.
QUESTION:
•What are some naturally occurring metals
ANSWER:
•Copper, gold , and silver
QUESTION:
•What characteristic properties can be used to identify minerals?
ANSWER:
•Color, streak, luster, density
QUESTION:
A ________ of a mineral is the color of its powder.
ANSWER:
• streak
QUESTION:
•__________ alone often doesn’t provide enough
information to make a identification.
ANSWER:
•Color
QUESTION:
_________ is the mass in a given space over
volume.
ANSWER:
•Density
QUESTION:
•Is the term used to describe how light is reflected from a
mineral’s surface.
ANSWER:
•Luster
QUESTION:
•:No matter the size of a mineral the _______ always
remains the same.
ANSWER:
•Density
QUESTION:
Is a hard, colorful mineral that has a brilliant or glassy
luster.
Valued for color, luster, durability, and the fact they are rare.
ANSWER:
•Gemstone
QUESTION:
Not as hard as gemstones.
They are useful because they can be stretched into wire,
flattened into sheets, and hammered or molded without
breaking.
ANSWER:
•Metals
QUESTION:
•Rock that contains a metal or other useful minerals that
can be mined and sold at a profit is called an
ANSWER:
•Ore
QUESTION:
How can a geologist help mines?
ANSWER:
Geologist prospects study the rock on the surface and
study maps of rock beneath the surface.
Geologists can map the size and shape of an ore deposit
by making careful measurements of Earth’s magnetic field
over the deposit. This works really well for magnetic
elements such as iron and nickel.
QUESTION:
•What are the three types of mines?
ANSWER:
Strip mines: equipment scrapes away soil to expose ore
Open pit mines: equipment digs a pit and removes ore deposits
Shaft mines: network of tunnels that extend deep underground following
the veins of ore.
QUESTION:
•is a rounded, hollow rock that is often lined with mineral
crystals.
ANSWER:
•Geode
QUESTION:
•Minerals generally form two ways
ANSWER:
•crystallization of molten material or crystallization of
materials dissolved in water.
QUESTION:
•____________ is the process by which atoms are
arranged to form a material with a crystal structure.
ANSWER:
•Crystallization
QUESTION:
•Magma closer to the surface cools faster. With more rapid
cooling, there is no time for magma to form
_____________
•Rapid cooling = _____________
•Slow cooling =_______________
ANSWER:
•Large, small, large
QUESTION:
•When elements and compounds that are dissolved in
water leave a solution, ___________ occurs
ANSWER:
•Crystallization
QUESTION:
•___________ is when an ore is mixed with other
substances and then melted to separate the useful metal
from other elements the ore contains.
ANSWER:
•Smelting
QUESTION:
What is an alloy?
ANSWER:
•a solid mixture of two or more elements, at least one of
which is a metal.
•the mixture must have the characteristic properties of a
metal.
QUESTION:
•How is steel made?
ANSWER:
•After smelting iron a small amount of carbon may be
added resulting in steel
QUESTION:
•_______ is a narrow channel or slab of a mineral that is
different from the surrounding rock.
ANSWER:
•Vein
QUESTION:
•___________ is anyone who searches for an ore deposit.
ANSWER:
•Prospector