Minerals Test Review

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Minerals Test Review
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Question 1

• What does inorganic mean?
• Something that does not arise from once living
  things not from the remains of plants or animals

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Question 2

• What type of crystal system does halite have?
• Cubic

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Question 3

• What is cleavage?
• The way a mineral breaks in straight lines a
  regular pattern that can be determined

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Question 4

• True or False The faster the magma cools, the
  larger the mineral crystals will form.
• False smaller crystals would form

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Question 5

• What does it mean when we say a mineral always
  contains certain elements in definite
  proportions?
• It has a definite chemical composition

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Question 6

• Why is coal not a mineral?
• It is made from the remains of plants and animals

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Question 7

• True or false An ore that is near the surface is
  removed by strip mining?
• True

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Question 8

• Most minerals do not split apart evenly, instead
  they have a characteristic type of what?
• Fracture

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Question 9

• A narrow channel or slab of a mineral that is
  different from the surrounding rock is called a
  what?
• Vein

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Question 10

• Magma that cools deep within the Earth forms
  minerals with what type of crystals?
• Large

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Question 11

• A solid mixture of two or metal is a what?
• Alloy

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Question 12

• How does halite form?
• From the evaporation of a water solution

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Question 13

• Earthmoving equipment strips away soil to expose
  ore in what type of mining?
• Strip mining

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Question 14

• What is the softest mineral on the Mohs hardness
  scale?
• Talc

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Question 15

• Why are metals useful as tools?
• Because they can be shaped easily, but they are
  hard

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Question 16

• Why are cement, brick, steel, and glass not
  considered minerals?
• Because they are man made (not naturally
  occurring)

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Question 17

• True or false The process of prospecting
  involves mixing an ore with other substances and
  heating the mixture to a very high temperature.
• False smelting is the process

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Question 18

• True or false Iron is separated from oxygen by
  cooling iron ore.
• F heating not cooling separates them

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Question 19

• What is the repeating pattern of a minerals
  particles called?
• A crystal

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Question 20

• If you broke a mineral into tiny pieces, each
  piece would show what?
• The same crystal shape

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Question 21

• What is the term used to describe how a mineral
  reflects light from its surface?
• Luster

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Question 22

• What is the hardest known mineral?
• Diamond

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Question 23

• When can minerals form on Earths surface?
• When solutions evaporate

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Question 24

• Which type of mine often has a network of
  tunnels that extend deep into the ground?
• Shaft mine

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Question 25

• What is the color of a minerals powder called?
• Streak

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Question 26

• What is the term for a mineral that glows under
  ultraviolet light?
• Fluorescence

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Question 27

• How do minerals form deep inside Earths crust?
• By the crystallization of melted materials

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Question 28

• What is a rock called that contains a metal or
  other economically useful mineral?
• An ore

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Question 29

• What type of mining involves digging a huge hole?
• Open pit mining

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Question 30

• True or false A mineral with a hardness of 6
  will scratch a mineral with a hardness of more
  than 6.
• False less than 6

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Question 31

• True or false The mineral quartz, which is found
  in sand, is used to make glass and electronic
  equipment.
• True

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Question 32

• What is a gemstone?
• A rare, hard, colorful mineral with a brilliant
  or glassy luster

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Question 33

• What is a solid?
• A substance with a definite shape and definite
  volume

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Question 34

• What does it mean we say that a mineral must be
  naturally occurring?
• It forms by the process that shapes the Earth it
  is not man made

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Question 35

• What are the six crystal systems?
• Cubic
• Hexagonal
• Tetragonal
• Orthorhombic
• Monoclinic
• Triclinic

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Question 36

• How would we test to see if a mineral is
  chemically reactive?
• By dropping an acid like vinegar or hydrochloric
  acid on it to see if it fizzles

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Question 37

• What are the three ways that minerals form?
• Crystallization of molten material
• Crystallization of hot water solutions
• Crystallization by evaporation of solutions

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Question 38

• What are some of the special properties of
  minerals?
• Fluorescence
• Chemical Reactivity
• Electrical Properties
• Radioactivity
• Double Image

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Question 39

• Why is color not the best way to identify a
  mineral?
• Because minerals like quartz can come in a
  variety of colors, and some minerals are the same
  color as other minerals.

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Question 40

• What is a mineral?
• A solid, inorganic, crystalline solid, with a
  definite chemical make up