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Rock types Earth Science Flashcards | StudBud
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Rock types Earth Science
Rock types Earth Science
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In-depth review of formation and classification of rocks.
Flashcards
21 cards
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Questions
21
Answers
1
The sections into which the Earth's surface crust is broken up into are called?
Volcanic rock
rock cycle
Tectonic plates
Crystallization
2
An aggregate group of minerals are called what?
concrete
mud
Stone
rock
3
Nonsilicate minerals make up what percent of the Earth's crust by mass?
25
2
8
1
4
Which of the following terms are used to identify minerals?
Streak
Hardness
Color
5
What type of volcano is made from piling up of ash, cinder, and rocks?
Cinder
Composite
Shield
6
How are minerals formed?
Sedimentation
Weathering
Crystallization
metamorphism
7
The ratio of mass to volume is called what?
Luster
Streak
Density
Hardness
8
Igneus rocks formed at the Earth's surface are referred to as what type of rocks?
Intrusive rock
Extrusive rock
Silicon rock
9
Feldspar makes up more then what percentage o the Earth's crust?
50%
75%
25%
100%
10
What rock characteristic depends on the strength of its chemical bonds?
Cleavage
Hardness
Streak
Density
11
The formation of sediments that form by the precipitation of minerals in water on the surface?
Metamorphism
Transportation
Weathering
Chemical sedimentation
12
What type of rock is made up of small pieces of weathered rock and shelled debris?
Sedimentary
Metamorphic
Clastic sedimentary
Igneous
13
What is the name of the process that creates fossils?
Drowning
Weathering
Permineralization
Melting
14
What is it called when a rock changes physically and chemically?
Sedimentation
Intrusion
Extrusion
Metamorphism
15
Mt Saint Helens is which type of volcano?
Shield
Cinder
Composite
Sea mount
16
Course-grained plutonic igneous rocks occur because?
minerals cooled and grew over long periods of time
Minerals cooled and grew quickly
larger mineral are more stable than smaller ones
lava intrudes deep into Earth's interior
17
Why are silicon and oxygen concentrated near the Earth's surface?
Both A & B
None of the above
density segregation
silicon and oxygen are less dense than iron
18
What does the word "igneous" mean?
formed by rain
formed underground
formed by fire
formed by wind
19
What type of volcano is built by a steady supply of easily flowing basaltic lava?
Composite
Cinder
Shield
20
When magma cools beneath Earth's surface, the igneus rock that forms is called?
sedimentary rock
plutonic rock
gems
Ice rocks
21
Mohs scale measures what characteristic of minerals?
Streak
Fracture
Hardness
Solubility