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Rocks and Mineral Quiz
Name: ______________________
Minerals:
1) Are minerals rocks? ________
2) True or False: Some minerals do not form naturally in nature and are man made __________
3) What makes a mineral such as diamonds more expensive and valuable?
4) Using the Moh’s hardness scale, could you scratch Aptite
with your fingernail? ________
Why or why not? _______________________________
______________________________________________
______________________________________________
5) Can Fluorite scratch glass? __________
Why or why not? _______________________________
______________________________________________
______________________________________________
6)
Can Topaz sratch calcite? __________
Why or why not? _______________________________
______________________________________________
______________________________________________
____ 7) A mineral that splits into even sheets shows which of the
following properties?
A.
B.
Density
Triclinic crystal shape
C. Streak
D. Cleavage
8) What 4 defining characteristics do all minerals must have to be considered a mineral?
(1)______________________________(2)________________________________
(3) _____________________________(4)_________________________________
9) List 2 ways a mineral can be identified (1)__________________(2) __________________
10) Is color alone, an effective way to identify minerals? _____
Why or why not?________________________________________________________________________
______________________________________________________________________________________
____ 11) Each mineral has a unique crystal shape because of the
a. hardness being between 1 and 10
b. arrangement of its atoms
c. streak being constant
d. variations in its color
____ 12) The density of a mineral is determined by its mass and
a. shape
b. luster
c. hardness
d. volume
Use the table to answer 13- 15
Rocks:
____ 16) The process of breaking down rocks into smaller particles is called?
A.
Weathering
C.
Recrystallization
B.
Cementation
D.
Solidification
____ 17) Sedimentary rocks are formed by the
A.
the presence of extreme heat and pressure
B.
deposition, compaction, and cementing of sediments
C. solidification of molten rock such as lava
18) Circle the rock that is classified as an extrusive igneous rock
19) Did the rock you circle cool
20) Where did it cool
FAST or SLOW
INSIDE EARTH or OUTSIDE EARTH
____21) Obsidian, pumic, and scoria lack crystals because
a.
b.
c.
d.
not enough minerals were present where they formed
they cooled deep inside the Earth
they cooled too slowly
they cooled too quickly
____ 22) Of these igneous rocks, which would
contain the largest crystals?
a. Pumice
b. Rhyolite
c. Granite
d. Obsidian
OR
Vocabulary:
___23) The tendency for a mineral to break in irregular pieces
___24) A rock that contains enough of a valuable mineral, it is mined for profit
___25) A rock that is formed as heat or pressure causes existing rock to change in
structure, texture, or mineral composition
___26) A naturally made solid usually made up of one or more minerals
___27) A solid substance in which the atoms are arranged in an orderly repeating,
three-dimensional pattern
___28) Describes how the light reflects off a minerals surface
___29) A resistance of a mineral to being scratched
___30) Consist of atoms of only one type
(I) Igneous Rock
(SR) Sedimentary Rock
(M) Metamorphic Rock
(IN) Intrusive Igneous
(EX) Extrusive Igneous
(F) Fracture
(C) Cleavage
(S) Streak
(L) Luster
(E) Element
(ML) Mineral
(R) Rock
(Y) Crystal
(O) Ore
(H) Hardness