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Rocks & Minerals
Rocks & Minerals
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9th Grade Earth Science
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
What type of rock is Limestone?
Evaporite
Organic
Clastic
Chemical
2
The three rock groups are classified based on how they are
their crystal structure
their chemical composition
found
formed
3
Minerals break along planes of weakness is called?
Mohs Scale of Hardness
Breaking points
Fracture
Cleavage
4
What is required to make Coal?
all the above
heat & pressure
plants
time
5
How are metamorphic rocks formed?
Heat & Pressure
Pressure
Heat
All of these
6
What are the most common elements found in rocks?
Oxygen and Silicon
Silicon and Sulphur
Nickel and Iron
Iron and Oxygen
7
What happens to sediments when a river reaches a open body of water?
erosion
cementation
weathering
deposition
8
What is the most common extrusive igneous rock?
Basalt
Granite
Silica
Quartz
9
What type of rock is Coal?
Evaporite
Chemical
Organic
Clastic
10
What determines the crystal form of a mineral?
the mineral streak
the mineral color
the chemical composition
the arrangement of atoms
11
What type of rock is formed from dissolved minerals in water?
Chemical
Organic
Evaporite
Clastic
12
What is the process in which the interior of the Earth formed into layers?
Heavy Metal
Earth Layer Evaporation
Rock Separation
Density Segregration
13
The breaking of rocks into sediments is called
weathering
erosion
deposition
cementation
14
What is the most common intrusive igneous rock?
Basalt
Silica
Granite
Quartz
15
The transport of sediments is called
erosion
weathering
deposition
cementation
16
Limestone can be metamorphosed into
Quartz
Granite
Marble
Iron
17
What type of rock is Sandstone?
Chemical
Evaporite
Organic
Clastic
18
In the pictured metamorphic rock, (Gneiss), you can see:
one good looking rock
compaction and cementation
foliation
heat and pressure
