About this Study Set
This study set covers Geology through
23 practice questions.
Test your knowledge of core geological concepts and well-known facts about our planet's structure, processes, and history. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 23 questions from the
Fundamental Geology Quiz study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary process responsible for the formation of igneous rocks?
-
A
Compaction and cementation of sediments
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B
Cooling and solidification of molten rock
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C
Transformation of existing rocks under heat and pressure
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D
Erosion and deposition of weathered material
2
Which layer of the Earth is primarily composed of solid iron and nickel and generates the planet's magnetic field?
-
A
Mantle
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B
Crust
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C
Outer Core
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D
Inner Core
3
The theory of plate tectonics explains the movement of Earth's lithosphere. What is the lithosphere?
-
A
The molten layer beneath the mantle
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B
The liquid outer core
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C
The rigid outer shell of the Earth, including the crust and upper mantle
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D
The gaseous atmosphere
4
What is a mineral?
-
A
Any naturally occurring solid with a defined chemical composition and crystal structure
-
B
A fragment of rock that has been broken down
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C
A liquid substance found within the Earth's crust
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D
Any organic material found in sedimentary layers
5
Which type of rock is formed from the remains of plants and animals or from chemical precipitation?
-
A
Igneous
-
B
Metamorphic
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C
Sedimentary
-
D
Volcanic
6
Earthquakes are most commonly caused by:
-
A
Volcanic eruptions
-
B
Meteorite impacts
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C
Movement along faults
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D
Tidal forces
7
What geological process involves the breakdown and transport of rocks and minerals?
-
A
Metamorphism
-
B
Deposition
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C
Erosion and weathering
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D
Solidification
8
The majority of Earth's active volcanoes are located along:
-
A
Continental divides
-
B
The equator
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C
Plate boundaries
-
D
Mountain ranges
9
What is the term for the process by which existing rocks are transformed into new rocks by heat, pressure, or chemical reactions?
-
A
Igneous intrusion
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B
Metamorphism
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C
Sedimentation
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D
Fossilization
10
The Earth's crust is divided into large pieces called:
-
A
Magma chambers
-
B
Tectonic plates
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C
Oceanic trenches
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D
Continental shelves
11
Which of the following is the hardest known mineral on the Mohs hardness scale?
-
A
Quartz
-
B
Feldspar
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C
Diamond
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D
Calcite
12
What is a fossil?
-
A
A type of volcanic rock
-
B
The preserved remains or traces of ancient life
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C
A layer of sediment
-
D
A mineral deposit
13
What geological feature is formed when two tectonic plates move apart?
-
A
Convergent boundary
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B
Transform boundary
-
C
Divergent boundary
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D
Subduction zone
14
The thickest layer of the Earth, making up about 84% of its volume, is the:
-
A
Crust
-
B
Inner Core
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C
Outer Core
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D
Mantle
15
What is the scientific study of rocks called?
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A
Paleontology
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B
Seismology
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C
Mineralogy
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D
Petrology
16
The process by which sediments are compacted and cemented together to form sedimentary rock is called:
-
A
Erosion
-
B
Metamorphism
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C
Lithification
-
D
Volcanism
17
What is the driving force behind most volcanic activity and earthquakes?
-
A
Solar radiation
-
B
Ocean currents
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C
Plate tectonics
-
D
Atmospheric pressure
18
The outermost solid shell of a rocky planet, dwarf planet, or natural satellite is called the:
-
A
Mantle
-
B
Core
-
C
Crust
-
D
Atmosphere
19
What are the two main types of crust on Earth?
-
A
Continental and Oceanic
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B
Granitic and Basaltic
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C
Thick and Thin
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D
Young and Old
20
Which of these is a characteristic property of minerals?
-
A
Amorphous structure
-
B
Defined chemical composition
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C
Organic origin
-
D
Variable hardness
21
What is the scientific study of earthquakes called?
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A
Volcanology
-
B
Seismology
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C
Tectonics
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D
Stratigraphy
22
Which geological era is often referred to as the 'Age of Dinosaurs'?
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A
Paleozoic Era
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B
Mesozoic Era
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C
Cenozoic Era
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D
Precambrian Era
23
What are the three main types of rocks?
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A
Igneous, Sedimentary, and Metamorphic
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B
Granite, Basalt, and Sandstone
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C
Hard, Soft, and Medium
-
D
Crystalline, Clastic, and Chemical
